First let me say that I am a huge fan of both Rob Mariano and Amber Brkich and I have been ever since they were on Survivor: Marquesas and Survivor: Australia, respectively. I fell in love with them even more when they hooked up and eventually married after meeting on Survivor: All-Stars.
That said, I think that "Rob & Amber: Against the Odds" is actually a decent show. The show depicts the couple struggle to really life their life as a married couple as Rob goes to Las Vegas to try to become a professional poker player. The show is especially funny, due to Rob's one-liners, and Amber's cuteness.