I think a major retooling this offseason is likely. Danny isn't going to make a deal that puts us in a bind, financially, after 2012. My assessment of the roster is similar to most of what's already posted, so here's the highlights:
Rondo: almost impossible to get decent value, and there's no real reason to let him go unless he sleeps with Wyc's wife. I also don't think he has the go-to offensive scoring ability to really build around him, but he isn't going anywhere this summer, 99% likely he stays.
Perk: He's a role player. As noted, he defends Howard, but gets killed by Bogut. He's probably our best chip. Detroit and Utah would like to have him very much, I think.
Ray: he's productive and could be a good value. He holds the cards, though, as a FA.
Frontline: all 4 under contract next year, but needs to be upgraded. KG untradable, and we would have to give up an asset to dump Sheed, so we probably end up riding out or buying out his deal. That leaves Perk and BBD on the block.
Our FA's: Nate and Quisy are not working out, and Scal and Finley will move on (coaching?). Shelden is worth keeping as a 4th big for cheap. TA is worth keeping at his current annual salary, too.
Scenarios:
Minny has been mentioned for our bigs. The triangle requires versatile bigs, and is best with only one pivot player. Perk can't play next to Big Al, then, and really isn't as well suited to their offense as Darko is. I bet they try to keep Darko/Love and trade Big Al this summer, but won't be looking for what we've got.
Detroit is a possibility for Perk. What would they give up? Ben Gordon for Perk and change?
Utah looks like a strong possibility. Perk would be an upgrade to Okur, and would provide defense next to Millsap's offense. Perk with a S&T for Ray might bring Boozer.
Miami, which competes w/D.Howard for a division seat, might trade Beasley and a pick for Perk. Actually, anyone in that division should be asking about him: Charlotte, Atlanta...
Oh...Atlanta owns Josh Childress' rights still...and has an undersized Center in Horford...could be looking for a SG if the underappreciated Joe Johnson leaves... PERK, RAY, AND PICKS FOR JOE JOHNSON (heck, I'd throw in Wyc's wife...not my problem...)!
I'd say just about the whole roster will be discussed this summer...unless this frustrating regular season is merely and odd prelude to the Run for 18. And if there is a deal to be done, Danny will find it. He's a greazy SOB that way.