The poker shows regularly running new episodes are:
Pro-Am Poker Equalizer, variable times (schedule), ESPN.
Poker Dome Challenge, 11 PM Sunday, Fox Sports. They rerun new episodes at 3 PM Wednesdays.
High Stakes Poker, 9 PM Monday, GSN. Reruns of new episodes air at 2 AM Tuesday and 9 PM Thursday. Previous seasons are rerun at 8 PM Monday (season two) and 10 PM Monday (season one then two in order).
Poker After Dark, 2:05 AM Tuesday through Saturday (late night Monday through Friday) and 1 AM Sunday (late night Saturday), NBC. Some NBC affiliates aren't airing it but you can watch it on the web.
Rob and Amber: Against the Odds, 8 PM Thursday, Fox Reality. The rerun schedule is here.
Poker shows airing regionally (check their web sites for time/channel in your area):
Ultimate Poker Challenge