As a person who has LOVED xp and HATED vista and wouldn't touch THAT, I can tell you, your brother is a herbert. Because I used Win7 and fell in LOVE with it. I then went back to XP machine, and now I miss 7, and will be putting 7 on this very soon. Vista was crap. 7 is the BEST windows ever made, for A LOT of reasons, not…