UB hans gunsche said:my pc doesn't have the efficient hardware for running virtual machine. also alot of people i've talked to said freedos has a good compatability range with newer hardwares. i'm also not really using it for gaming and such and even if i payed some games they wouldn't be graphic extensive.
you can buy some software like Partition Commander that can make multi-boot very easy to do. it will even put up a menu of OS'es to boot.
you can also do it free with a bit of work, lookup "GRUB" used with Linux does the same thing.