I have a 500 GB SATA HD, plan to intsall WinXP on it, what is the best way to set up my partitions and how many? NTFS? FAT? Or is there no difference how. Any advice would be appreciated, thanks. EDIT: Ok let me rephraze the question: What sizes should the partitions be? Is it ok to have such large partitions as 220GB or should they be smaller? Does it affect system performance in a long run?