What I'd like is a Hi-Fi Sized docking unit to use at home, with a built in power supply, serial port and rca sockets.
Usb could also be included, if a trailing lead was available inside to plug into the empeg before you docked it..
Hmmm, I might get a second cage and build one myself.. =)

(List 112, S/N 00030, 4 gig blue)
Jazz (List 112, Mk2 42 gig #40. Mk1 4 gig #30. Mk3 1.6 16v)