i have a dell 8250 and an inspiron 1100 (yeah, i know, inpsiron is not exactly the best thing out there...) and I am getting a multi-processor mainboard and 4 AMD opteron CPUs (freebie from a friend who works at a large company)...

what operating system can I work on that bad boy, to make use of all the CPUs, aside from windows 2000 advanced server? will 64bit edition work?

and i would prefer to stay in windows, as much as i like linux, there are not that many games running on linux at this point...

any help will be greatly appreciated...