Yeh it's in the wrong spot.. I don't have access to move it to Gear Discussion.. but I think you'll find a similar thread about loopers over there as well..

Here's the top-of-the-line model from BOSS/Roland:
http://www.roland.com/products/en/RC-50/index.html

Here's the next model down, this is the one I was strongly considering getting myself. So this is probably the one I would recommend though I haven't even had a chance to try it out personally:
http://www.roland.com/products/en/RC-20XL/index.html

And finally.. here is the budget version:
http://www.roland.com/products/en/RC-2/index.html