have a box that i use for gaming with raid 0.

has plenty of space left over on hdd's.

is there a linux distro that i can install on another partition?

without sacrificing or screwing raid 0?

Any distro should be able to install on a different partition on the raid set or a separate harddrive outside the raid set. I guess some installers/LiveCDs might have problems recognising the raid configuration. It depends partly on what sort of raid this is (true hardware raid, linux software raid or bios raid).

I would just choose a distro, burn a liveDVD/CD and try booting it and see if it recognise the raid drive. It should be the same as with a normal hard drive. Just be careful with the partitioning software so that you don't delete your existing installation.

Mons

Dual booting is so 90's.. Install VMware or another virtualization software to run the OS within a virtual machine.