Finally Got my fisrt 9800Gx2, came from gigabyte
i have some stock cooling numbers for sharing.

Rig, QX9770-GA X48T DQ6(F4)-ADATA D3-1900
-9800GX2-175.50-Windows XP

The Cpu at stock freq and C1e enable
GX2 goes 738mhz(Core)-1944mhz(Shader)-1170mhz(Affective GDDR3-2340mhz)

3DMARK01-


3DMARK03-


3DMARK05- ouch 05 is very depended on Cpu


3DMARK06-


AQUAMARK


Push hard on Cpu


Another Chip under Ln2 got better clock,but still be weakness for real play.
overall GX2,im satisfied with the performance.
May you speak of GX2 is combined of 2 8800gt,but the shader is much better
if you compare with G92gt, most of all are limited at 1836mhz.