Plenty of my images are Photoshop only, and I tend to use 3D apps mostly to deform the pre-work that I've made in PS too. Having declared my loyalty, I have to say that I can't really see the point of a PS only gallery. So many people here use PSP and Painter that it would be patently unfair, and an arbitrary division. I would be in favour of splitting digital 3D and traditional materials, though - I think that's a good idea. Either that or a back room in the forum. Why not both?