Too many to list, but I like many for many different reasons. A few I like currently are LC's, Zarda, Cowtown (Ok. Joes), Sweet Baby Rays and Stubbs.
I probably have 10 different bottles of sauces from Dreamland (haven't tried it yet), Big Dutts (scored it for $.99), Longhorn, etc. I have a lot.
I also have about 5 or 6 bottles of sauces I've made that I've been experimenting with in my fridge too.