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Didn't opt for the retina -didn't like the glossy screens so got the 15" pro w/the matte screen option.

I prefer the 13" for portability and the reduced glare on the new 13" retina has me considering that - ideally I would like that and a desktop machine. The new imac w/a Pegasus thunderbolt setup and a 13" retina would be the best of both worlds but if I had to choose one I'd go w/the 2.3 15" macbook pro and upgrade the RAM yourself.
 
Thanks everyone for all your help. I will try and take it all in and see how much it helps in speeding up things, but I guess I really need to probably move on to a faster computer to really speed things up. Now I just need to make the decision as to which one will best suit my needs.
 
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