yeah acronis or paragon paragon partion manager or you can go to disk managment in vista,, to create a partition ..if using acronis make sure you create a partion for a dual boot os..if your not going to use 2 os. just create a partion for data,, the wizard in acronis will give you 3 types of parttion you want to create. and will explain what each partition you create is for. also do a goole,,, your find lots of info on how to create a partition. also 2 gig,, you have plenty of ram xp uses less than vista anyway..and if your dual booting your only be using one os at a time.