I have five "tiers"
Tier 1: They go down, we're done
1 Rondo
2 Garnett
Tier 2: Not title threats without them
3 Pierce
4 Bradley
5 Green
Tier 3: Key rotation, at least 100 mins a night between them
6 Terry
7 Bass
8 Sully
9 Darko
10 Lee
Tier 4: Deep bench for injuries, blowouts, rest
11 Barbosa
12 Collins*
13 Wilcox
Tier 5: Rooks who shouldn't see much time at all
14 Kris Joseph
15 Fab Melo
* - moves up to 8 or so against Howard, Bynum, and the like