I am very happy with my F900BT, I was brave and purchased a Refurb for 499.00 from Amazon (was upset as I noticed after I paid that a new one was 569.00 from Amazon directly) but ohh well. installed it last Saturday (took me about 4 hours give or take) installed GPS ANT on top of the unit under the air vents, MIC is above rear view, Sirius is on-top of the roof in the rear. iPhone control is hooked up, VSS is hooked up correctly. The unit works almost perfectly, (I tested the unit by driving 50 files) the only gripe I have is the VR unit. Don't get me wrong it works beautifully but there is s