I have the older version of the Pioneer flip out unit and i found theese two jobies that go onto it
Sirius Digital Satellite Tuner for Pioneer Headunits
Listen to Sirius Radio (Subscription Required)
Use with Pioneer "SAT Radio Ready" Headunits
New Game Alert and Game Zone features
XM Digital Satellite Tuner for Pioneer Headunits
Listen to XM Radio (Subscription Required)
Use with Pioneer "SAT Radio Ready" Headunits/Receivers
170 Channels available Coast-to-Coast
I also have the ipod adaptor for it but my ipod is a bit Fubared so that's no use to me at the moment till i get a new one
Was also looking into DAB ( Digital audio Band ) But that hasn't really taken off here yet, I'm big into my Gismos