Fantasy Basketball Trade Question

[UncleRemus]

Alright, here's the scoop: I passionately hate basketball, and find it to be, by far, the most boring of the major sports. However, I somehow was coerced into joining a money league, so I actually have to give a damn.
Anyway...

12 teams, H2H, league counts FG%, FT%, 3ptM, 3pt%, points, Of. Reb, Reb, Assists, Stls, Blks, TOs.

I was fortunate enough to get the first pick in the draft, quickly selecting Kevin Garnett. I figured I'd never part with him, but I was just offered...
Peja Stojacantspellit, and Brad Miller
for
Kevin Garnett and David Wesley

Should I jump on this before the owner changes his mind? I should note that I'm extremely weak at Center, with the only 2 players qualifying to play there on my team being Kurt Thomas and Nesterovic.

Wish I knew more about fantasy basketball. It feels like it's a great trade and I want to jump on this before he changes his mind, but I really don't know what I'm doing, so I figured I'd ask.

Thanks in advance,
The Remdog