fast forwarding before the commercial starts, and end your fast forwarding before the commercials finish, you can do it - you just have to watch the last part of the commercials. If you end the fast forwarding after the commercials are over it will take you back to the beginning of the commercials and force you to watch them all. But sometimes randomly it will take you back to previous commercials even if you fast forward within the game.

If YTTV doesn't have this problem I may just go ahead and make the switch now. Super frustrating.