Great episode, and a nice bait and switch. They made it seem like one character was obviously a Cylon, and then knocked the audience on their ass with something completely unexpected--and full of wonderful irony. And now we're left wondering just what the deal is with the first character because that mystery remains intact.
The suicide was also a shocker. Didn't see that one coming at all.
Looking forward to the rest of the season now. Just wish they'd get these out on Blu-ray already.