Virtual Sets

[Bryan_Lawler]

Are there any mac programs out there like Serious Magic ULTRA 2? Or, do you know of other virtual sets packages that you can buy like:

http://www.virtualsetworks.com/Products.VirtualSetPack.htm

Thanks. I am looking at doing a video that requires a set but I don't have the space or funds to build something. Chroma keying would work well if I could find the right package to buy.