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#11
KiWiTT, a ton of us on here are using the RTM, myself included.
It runs great.
As for Civ4, I cannot imagine it would not work.
I agree with Antman and the others, dual boot it and try it out. If you like it and Civ4 works, then upgrade if you want.
If not, keep using Vista.
Its up to you.
~Lordbob