Doug:
I have a tall Bell'O glass stand that sits on a platform I made with low-profile appliance casters:
It only rolls straight, but I felt more confident with the low profile and heavy-rated design of this style caster. The platform is covered with the HD (heavy duty, not high definition) material that is used to cover PA speaker cabinets and such. The material was cut in such a way that it makes for a little "skirt" in front so that it just looks like a black base...you don't really see the casters.
"In the photo above, I have it's little skirt lifted" replied the straight man. To which others responded:
