I'm like 99.9% sure that Boomer made it off that ship. I'm also... hmm... 80% sure that Natalie resurrected, although if she did, it would be out in the general Cylon populace and not with her fellow rebels.

Poor Helo. He looked so weirded out when NotThena gave him that neck rub. And heh. What Roslin doesn't know is that he apparently IS married to the entire line. :P