Even though he's a Dukie (ugh), I like Plumlee in Boston. He's got a great motor and good size.
The Celtics need big bodies, as evidenced by the fact Kevin Garnett is finishing his career as a center instead of a power forward. Plumlee would give them some depth at C. He may not be ready to start right away, as his offensive game is still developing, but he's a solid defensive presence with some athleticism, and fits a need for the aging, and soon to be depleted, Celtics. They will also give Steven Adams a close look here.