Quote Originally Posted by sdsurfer View Post
^^ That is what I did. I maintain two drives, the Windows drive is more or less storage, almost never go back to it.

Alternatively you can run Ubuntu directly from the disk (CD/DVD) to test it out, no install necessary.
Just make sure you put your boot loader in the right place so you don't pull or wipe the wrong drive and be unable to boot anything. Not that I've ever done that of course.