Alright, take my advice on the 7D and mounting, go for it. I have a 5D and I mounted my camera to my car with a suction cup mount from BandH and clamp, works great. Go to BandHphoto.com and search for grip equipment. C clamp, magic clamp, something like that. I also made a fail-safe with ribbon cable, incase the suction cup fail, the ribbon cable would save it. However I have not needed it yet. Also I have a UV filter on the front of the lens. I have had rock chips hit it and damaged the filter, but never the lens. Once you get it, you will use it a lot! I had/have a lot of fun with it. I'll try to post some grip stuff later. Oh and google motorcycle mounts for dslrs, you might be able to buy the parts for a lot less. At least if you see a mount, you will know what you need to buy for parts.