I bought an Xbox 360 on Black Friday, and I'd like to use my 160GB external drive with it. Problem is, the drive is formatted with NTFS, which MS for some reason doesn't support on the 360. So, I need ...

Technical merits aside, I have an external drive that I would like to temporarily convert to FAT32 for Windows<->OS X compatibility purposes. Can this be done? A cursory Google search doesn't turn up ...