I think they'll use Kristic, but very sparingly when rotating out their big men. The way Doc does rotations and with Shaq's limitations, I think Doc will use an extra big man in the 2nd and 4th quarters.
Yes there is a way to avoid this given the positional flexibility of BBD, Green, West - No I don't expect Doc to start doing it now. So I'd guess Kristic at about 5 minutes, unless fouls or injuries require more.
I think Shaq will start because its easier to manage him that way, but I wouldn't be surprised to see him at less than 20 MPG, say 15 MPG.
In last year's playoffs Rondo, Pierce, and Allen played 40.3, 38.9, and 38.5 MPG respectively. The bench is VASTLY improved with West and Green taking the place of Tony Allen (16.3 MPG) and Nate Robinson (7.5 MPG), and whatever poopoo platter picked up the remaining couple minutes at the wings. So I think Doc tempers their minutes a bit as their effectiveness seemed pretty bad by the end of the LA series and he has high quality bench this year.
Let's guess Pierce and Ray @ 36 MPG and Rondo @ 38 MPG.
I'd say he gets West 20 MPG behind Rondo and Ray. Green picks up the rest of the wing minutes that's 14.
KG was at 33 MPG last year, I'm going to say he stays there, that leaves Green another 6 MPG at PF, and the rest to BBD at 9 MPG.
With Shaq and JO at 35 MPG, BBD could pick up the rest of the C minutes 13 MPG, but I think JO gets a few.
So final tallies:
Starters:
Rondo 39 MPG
Ray 36 MPG
Pierce 36 MPG
KG 33 MPG
Shaq 15 MPG
Bench:
West 20 MPG
Green 20 MPG
JO 20 MPG
BBD 18 MPG
Kristic 3 MPG
Tommy Point for anyone who can map these minutes to what the lineup changes would look like.