I found the same thing myself. Wanted some SW Motech pannier rails for my Ten. Ordered them from Motohaus then about 3 hourse later received an e-mail from them saying there would be a 2 to 3 week wait!

Impatient as I am I phoned Motohaus and cancelled the order, complaining that the wait time just wasn't acceptable and I would order them elsewhere. After spending a few hours on the net / phone I discovered the same as you, everywhere has the same waiting period, and what makes it worse was Motohaus was the cheapest by far - DOH!

Fortunately Chris at my local Heine Gericke could order me some at pretty much the same price as Motohaus, so I didn't have to call them up and re-place my order LOL.