I agree with Qwerty, as in I don't think that there are any differences in shader support between the commercial and pro versions. Nothing in the manual would seem to indicate so.

If you gaze long into an abyss, the abyss will gaze back into you. 3.0 GHz Pentium 4 w/HT 1 Gig 400mhz DDR SDRAM 128mb NVidia GeForce FX 5200