Hi Barry,
The description of your iMac sounds exactly like mine.
I updated to 10.8.4 without many issues.
In fact, the only issue I have at the moment is with iPhoto.
I need to correspond further with Ronni to sort this out when I get back to my 
desk.
Cheers
Marcus Harris

Message sent from Marcus's iPhone4 Go Eagles

On 14/06/2013, at 2:15 PM, Barry Sexstone <[email protected]> wrote:

> At long last I am thinking of upgrading from Lion to Mountain Lion.
> Prior to doing that I would appreciate advice/comments from the group as well 
> as the following specific queries.
> 
> Is my current machine - 27inch late 2009 3.06GHz Intel core 2 Duo 12GB 
> 1067MHz DDR3 - suitable for an update?
> 
> When updating from SL to Lion I had problems with parallels and had to 
> upgrade from Parallels desktop 6 to version 7.   Does anyone know whether an 
> update to Version 8 would be necessary?
> 
> Any obvious downsides of upgrading.
> 
> Thanks
> 
> Barry
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