ey guys.. i'm currently running on windows XP.. i have 2 harddisk. Partition C contains OS, along iwth D and E on 1 harddisk, and 2nd harddisk contains my Utorrent and games.. now if i instal vista.. do i need to format C? or the whole C+D+E harddisk? if i need to format.. can my games and utorrent in 2nd harddisk still run? or i need to reinstall again?