I think the Celtics will easily win 47 games with Jefferson, Gomes, Pierce, Allen and Rondo. Especially in the Eastern Conference. Jefferson is going to be a star this year, let's not forget that he had an emergency apedectamy in nov. but from dec. on he was an All-Star player. With three All-star calibur players in the starting five, along with a strong supporting cast with Gomes (a very underated player who is an automatic 13, 8, 4) and Rondo who showed signs of becoming special late last year, this team will be a force in the East.
Let's not forget about Perk who had Plantar Facisitous last season that limited his game. He was a very solid player two years ago when he was starting games for the C's. Losing Delonte does hurt, but I think he is at best the 6th man on a championship team so he was definitely expendable IMO.