Should I do this trade?

First, my team:

PG Chris Paul
SG Rip Hamilton
G Francisco Garcia
SF Stephen Jackson
PF Al Jefferson
F Lamarcus Aldridge
C Andrew Bynum
UTIL Eddie House

Bench:
Vladimir Radmanovic
Craig Smith
Desmond Mason
Mike Bibby (injured)

I was offered Sam Cassell for Mike Bibby. Bibby is scheduled to return in mid-December.

Cassell: 14 PPG 4.6 APG (put up similar numbers last year)
Bibby: 17 PPG 4.7 APG (last season)

Cassell isn't much of a downgrade, and I would have the better player for about 1/2 month to a month while Bibby is hurt.

Then again, if Bibby comes back strong, I have pretty good players at every starting spot in a league of 20 teams (12 players per).

What to do?