Hey Guys, i've had macs for about 2 years now and i hear that windows are better for playing games, so i decided to install windows on my UMP 13" 2.26 ghz with 4gb of ram . here is the thing, how much space would it take ? do i need anti-virus ? what about the memory sharing thing, when the parallels is off i mean im not running the software, will that shared memory all go back to normal or under the mac ? oh and is it really true that games are better on windows ?