ok so i just got a new computer with windows vista home basic and there some thing i wan to ask.

First of all can i still play windows xp games on a comp with windows vista?

second of all what upgrades should i get to make vista decent for gaming, since i heard it sux?

Third this doesnt have to do vista (not that much) but what game should i get counterstike: cz or counterstrike source?

And lastly is steam and all of steam games compatible with vista?

it be nice if you all can give me detailed answers or a simple yes or no...

thanx