Screenshot and caption from the July 2000 3d world review of Softimage XSI 1.0. Check out the old-style PPG.

Modelling is good but nothing to write home about, but things should improve. You do get the veritable pwerhouse of Softimge 3D thrown in for free, but integration between packages is certainly not ideal. Softimage XSI doesn’t support trimmed surfaces, for example.