ABIT ST6 (i815EP)
ABIT VH6-T (VIA Apollo Pro 133A)
ASUS TUSL2-C (i815EP)
Regardless of whether that Celeron is CuMine or Tualatin, all the motherboards above will support both types of processors.
The serious bottleneck with the i815 is that installable memory maxes out at 512 MB, but in most respects, the compatibility rating is higher than VIA's.