It will work fine, although it eats up a good bit of ram, so if you plan to use it extensively, you may want to consider upgrading to 8GB.
Agree with this 100%, I run Win 7 on both a 13" C2D and a 15" i7, they work pretty much the same, if you are doing a bunch of things at the same time then the 13" may slow down a bit but not too bad...
I frequently run Windows 7 Professional 32 bit with some CAD software under Parallels, iShowU HD capturing the "action", Keynote, Safari, OmniDazzle, and Preview all simultaneously on a 1.5 year old MacBook with 4GB RAM. Runs just fine except when I zoom the display, which for some reason bogs the system down. "Reasonable use" should be just fine!
So you have a 27" iMac also; I do too, that really was why I went with the 13" but still want something that can stay workable..... I am so use to PC machines crapping out.... All this mac stuff is only a couple years old..
So you have a 13"??