Pioneer Double DIN AppRadio 2 SPH-DA100 REVIEW

brother has this in his '05 2500HD. Uses it with iPhone. no disc drive is ghey, I think it's a huge hassle to work, I just really don't care for it. he loves it though. lol
 
Crutch field has the app radio right now for 279.00 after rebate. A lot of mixed reviews. Maybe ill just go with the 8400. I have the older 4200 now and love it.