I have Vista and since it was in beta I've always wanted a sideshow device, because one would be very useful to me. Does anyone know of a decent SideShow device, preferably with bluetooth?

Can you be more specific about what you mean by a "sideshow device"?

You know, for windows Vista Windows Vista: Features Explained: Windows SideShow

Oh you mean a GADGET!! Ok, not sure what you want this bluetooth device to do. Bluetooth is a short range wireless communication protocol. I couldn't find a gadget that functions as a bluetooth manager. But since your bluetooth manager generally installs as icon on the tray area, I'm not sure what special advantage it would have.