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I installed Win7 Pro 32 bit. Runs very smooth. I see lots of people installing 64 bit, but I view it as a waste of time, also given the few app I need to run, none require 64 bit and I only gave my session 2gb of RAM. Even in Bootcamp Win7 only "sees" 2.5GB.

Next up is installing MS-DOS... :D

hmm okay. yeh i did 64bit as a test, might try the 32bit and also test out parallels. however prolly going to move to an new 13" MBA soon....
 
hmm okay. yeh i did 64bit as a test, might try the 32bit and also test out parallels. however prolly going to move to an new 13" MBA soon....

32-bit would be fine, particularly if you are just using Parallels. The main benefit to 64-bit is better access of the 4th GB of RAM, but with the new setup and 384MB shared with the GPU, you only have 3.625GB of RAM for the system, anyway, so 32-bit isn't missing much.
 
VMWare has a similar mode called "Unity". It's pretty slick depending on what you want out of virtualization.

Personally, I'd like to see support for Lion-style fullscreen so I can swipe between OS X and Windows at the drop of a hat. I can do it with spaces now, but I do kinda prefer to not micromanage it too much.

this.
 
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