Corrention, it's Batum to Portland for Dorsey and an '09 2nd rounder, and in another trade it's pick 54 (and I guess something else) to Memphis for Donte Greene. Actually, since it's Memphis and they don't want any more guaranteed contracts, it might just be for #54.
Edit: Correction on the correction, I've got two different versions now, one saying what I had up there, the 2nd story saying this one. No idea which is true.