Hey all. I have had a few of the avic products in the past. I have had a z1 and a z3. I currently have a f90t with f910 upgrade, that i am not happy with at all. I have called and asked pioneer and they really cant tell me or want to give me a direct answer. I am looking for a unit that does not have the phone or bluetooth issues i currently have. Mainly if im on the phone, all functions of the headunit are rendered useless. I would like to access the navi menu while on the phone. ALso, if i am on a call and get a second call and switch over to it, the unit will not hang up when the ca