Yeah Bovada does have an awesome amount of live bet options. It's a shame that I'm having so much trouble finding a Bitcoin Book to even come close. With all of the Bitcoin based casinos around you'd think someone would be pushing into this space. Have you found anyone anywhere near the level of Bovada?
Unfortunately, I haven't. The only live play books I use are DirectBet (not live betting in the sense that spreads updates) and Nitrogensports which has an exchange.
I have yet to find live props like Bovada has where you can predict if the drive will be a TD, FG, etc.
Maybe if there's enough demand one of these books will implement it.