Hi David!
Welcome to the list!
I've had a look in the system preferences and there is an option to set the 
resolution to 800x600 so that's not a problem!
And as far as white on black goes you set it on the Mac itself so as far as I 
know whatever you are looking at will be that way unless I've got that wrong!
And you can also change contrast hopefully they will work to your needs!
Only a suggestion have you a apple store near you, if so they might be able to 
set one up to your configurations so you can see for yourself!
Anyway I hth
Colin!
On 6 Oct 2010, at 18:02, Eric Oyen wrote:

> switching to the mac will more than likely help you even in the long run.
> 
> until  3 months ago, I hd residual vision (screen mag or large print).I have 
> none now.
> I can't speak for the color scheme, but screen magnification is a dream. you 
> can zoom in/out in a specific app or do the whole screen by a keyboard 
> shortcut on either way. in my case, I now use voiceover exclusively as I can 
> no longer even see light.
> 
> like you, I have spent the last 2- years building my own equipment.
> 
> believe me when I say, the mac mini is still a cheap alternative for its 
> price ($800 or so). its a nice low power/low profile machine that doesn't 
> take a lot of desktop space. 
> 
> anyway, I hope this helps. btw, there are a lot of people in here who use 
> macs at various levels of vision. a lot of them have superior experience to 
> me. do not be afraid to ask around.
> 
> -Eric
> 
> On Oct 6, 2010, at 9:39 AM, David Goodwin wrote:
> 
>> Hi all,
>> 
>> I'm a new member here, and like many before me am pondering whether to make 
>> the switch from a PC to a Mac. A browse of the list archives shows that this 
>> is a well-trodden path, but I have a few specific questions that don't 
>> appear to be quite so well-trodden.
>> 
>> Firstly a little background. I have been using PCs for nearly twenty years. 
>> During that time I have built most of my home PCs (nearly always to a very 
>> high specification) and have passed through every Microsoft operating system 
>> from DOS to Windows 7. I am also a little nerdish when it comes to following 
>> developments and trends in IT. So, I'd like to think that I know my way 
>> around a PC in regard to hardware, software and peripherals.
>> 
>> However, my experience with Macs is limited to a few months use about 15 
>> years ago. I'm guessing that I should probably dismiss as out of date any 
>> views I might still be holding onto from that time <smile>. Having said 
>> that, in the past 6 months I have bought an iPod Touch, an iPad and an 
>> iPhone 4. These were bought after I had seen just how accessible iOS devices 
>> were straight out of the box. My experience with these iDevices has been a 
>> revelation and a joy, and probably explains why I am now considering the 
>> desktop switch as well.
>> 
>> However, after 20 years, I know exactly how to get the most out a PC in 
>> terms of accessibility. The hardware I use, the operating system 
>> configuration and the choice and personalisation of third party applications 
>> has been fine-tuned to provide me with the best possible experience. But, 
>> that experience is still far from perfect, and raises new challenges and 
>> barriers as my sight continues to worsen.
>> 
>> On the subject of my sight. I am registered as legally blind, but have 
>> enough residual vision to be able to use a PC without a screen reader or 
>> magnification. What I do rely on, however, is a large monitor running at low 
>> resolution (800x600) and a high contrast, white on black, colour scheme. 
>> Much of the software I use has also been chosen because I can tweak its 
>> appearance. I am aware that this arrangement becomes less satisfactory by 
>> the month. The move to using screen magnification seems a logical (and 
>> looming) next step.
>> 
>> 
>> This is one reason why I am now considering a Mac. Although the initial 
>> purchase cost is significantly higher than a PC, the built-in accessibility 
>> features appear to offer a viable alternative to the commercial options 
>> available for PC users.
>> 
>> So, finally, here are a couple of questions - firstly, just how consistent 
>> is the white on black colour scheme on the Mac? This has perhaps been my 
>> biggest issue with a PC for many years, as the number of applications that 
>> work with my preferred colours seems to fall by the year. Many applications 
>> stubbornly refuse to use any other colours than whose hardcoded into it by 
>> the developers, or at worst make a total mess of inheriting my preferred 
>> colours. In the latter case this can often result in white on white or black 
>> on black. Is this issue present on Macs?
>> 
>> Also, would running at a 800x600 screen resolution still be an option (at 
>> least until the time when I finally surrender to screen magnification)?
>> 
>> Finally for now, and not really on an accessibility issue, does the Mac Mini 
>> offer enough performance? Sorry, I know that this question is kind of 
>> subjective, but I have had some experience recently on a net-top PC (atom 
>> powered) that has made me all too aware of how much I hate slow start-ups 
>> and the lag between clicking on an icon and actually being able to use that 
>> application. I'm not planning on doing any resource-hungry tasks, so it is 
>> mostly web and email use I am worried about.
>> 
>> I am sorry for the long post, but hopefully the background stuff will help 
>> you to appreciate where I am at.
>> 
>> Thanks
>> 
>> David
>> 
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> 
> Eric Oyen - N7ZZT
> Phoenix Arizona
> Geocode:
> 33.488462  -112.234926
> N33° 29.3077', W112° 14.0956'
> 
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