Currentlty there are no other manufactures doing the same thing as Pioneer (AVIC-N1)

I am sure after CES (Consumer Electronics Show) either myself or Ben from the other car audio store can inform you on new stuff. I am sure others will have some thing.

You can take a look at Kenwoods site but it does not have the built in navigation.

KVT-915DVD (DVD HEADUNIT)
KNA-DV3100 (NAV)
KTC-SR902 (SIRIUS TUNER)
CX-SR40 (SIRIUS ANT.)