Thanks guys for all the replies. Guess I should have chimed in and said I actually finished pulling up the floor a while ago. For those who may want yet another odd tool to use when prying up your rubber floor, I found a claw hammer and a short handled garden hoe worked well. What one didn't get under, the other could.
There's pictures on my gallery page. Guess the main thing is to have a tool with a flat edge that can be wedged under the mat where it's glued to the flooring.
I really need to get back out and work on BOB some more!