A blockbuster trade for whom?
Danny's just trying to "build assets"...get increasingly better players at all positions, collect picks and create cap flexibility. I do think he wants to make a "blockbuster trade"...or two...at some point, but I don't think we're anywhere near that point yet.
If you want an analogy, I think the C's are about where they were in 2004-2005. They had several good young assets they were developing (Allen, West, Jefferson, Perkins) and one marginal All-Star (Pierce @ 27). Danny added assets and kept churning for another 3 years before the "blockbuster" trades presented themselves. This time Danny has more picks and a better starting point, asset wise, I think, but it's still going to be a "process" that takes a few years.
Edit: Before anyone screams about "marginal All-Star (Pierce @ 27)", I know Pierce is a GREAT player, but in 2004 he (a) had a questionable rep (selfish) around the league, (b) had shown little leadership ability, (c) looked like he might demand a trade or otherwise leave and (d) hadn't cemented his legacy as a Celtics great. This year's Rondo is about at the same place Paul Pierce was in 2004, only time will tell if Rajon's game will ascend to Pierce's heights or not.