I think everyone is underestimating how bad our offense will be when you remove Bass and Crawford (both excellent shooters) and replace them with Rondo and Asik (both poor offensive players). Rondo can pass the ball like a boss, but he needs someone to pass the ball too. Bradley, Sully and Green are fine players, but I'd guess we'd need an elite scorer to really do much. This wouldn't be a 50 win team... Could be a 41 win team though. This year that would be enough for a high seed in the playoffs.
It would be a really good defensive team, but you'd kinda need someone like Melo dropping 30 a night if you hoped to make any noise.