I think the best yoga DVD ever is Yoga Shakti with Shiva Rea (I hope the spelling is right!). There's lots of routines and options, and it is definitley tough, but there's also not a lot of "fancy" moves. Also, it't not too annoying.
"I don't know! I don't know why I did it, I don't know why I enjoyed it, and I don't know why I'll do it again!" -BART SIMPSON