hi, I have a mac pro '08, just 2gb ram, 2x2.8 see here please: and I think sell and buy a '10 version, so this is MORE Faster than my 08? see please: or is almost the same? in speed! is a waste of money? no worth buy a new one, is almost the same speed? and what about any of 2 new 27 imacs? are more faster than my macpro 08? my question is but maybe I want reemplace my macpro but JUST if other basic models of mac pro '10 and imac 27 are more FASTER! if not I keep my macpro and put more ram. any help, thanks!