> My current PC which is a 1.2ghz dual core with 4gb of ram is on it's
> last legs. I've been running ubuntu and while the machine hasn't been
> lightning quick it gets the job done. So I was thinking of getting the
> new MBA with 1.86ghz and 4GB of ram and was wondering whether anyone

I don't have an air.  I do have a 13" mac book pro 2010 with 8gb of ram.  I had 
4gb.  My only issue with your plan is the ram.  I used to swap when loading up 
parallels/windows for ie testing.  That sucked.  I don't anymore :)

For what it's worth, my typical open apps....  Mail, Safari, iTunes, Adium, 
Colloquy, Billings, iTerm (w/ lots of vim sessions), mysql, postgresql, rails 
console, rails server. All was fine until I'd fire up Parallels.  At which 
point I'd use just a bit over 4gb, but enough I'd notice it when switching apps.

If you won't be running Parallels (or some other virtual app) 4gb should be 
fine -- and probably still is as long as you shut down some of the other ram 
hogs while using it, or crank down the vm's ram to 512mb or something...

-philip


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