Mack, search around. I think you can find a much better price than that for the 3805. For example, check
here. Crutchfield, a well respected etailer has it for $800 with free shipping. Other vendors have it for even less.
You must be careful of some etailers. However, as I said, Crutchfield is a very respectable vendor. If you find another vendor you're interested in, ask us about it, and we'll see if we can give you some information about it.
EDIT: I found Crutchfield's
30 day money back guarantee. Sounds good.