Roy- I'm embarrassed to say I can't remember it! I think it was something like CamerasandElctronics.com or something. I found it by doing a Google search for "Yamaha htr 5790." Sounds like the link Wayne mentioned will work. Good luck!
Thought i'd add my .02's worth. I found out my local BB will match prices from authorized internet dealers. Showed the sales manager a price from a site showing $540 for a Yammy 5790. Bought the unit for $575 (he argued I'd have shipping to pay for) and I have the ability to easily return the...