I had a Pioneer AVIC installed in my 2007 T5.
How do you find the bluetooth connectivity? Mine was a PITA. Sometimes it would connect to my phone, other times it wouldn't, it was hit and miss.
The other thing I didn't like on the AVIC compared to a RNS510, is when you are on a call on the RNS510, the music you are listening to on a cd, hdd or SD will pause until the end of the call. But on the AVIC, it will keep playing, so when you are finished on a call, you could have missed 3 or 4 songs.
Also on a sunny day, the screen was imposible to see.