I received my Monster ICarPlay FM transmitter in the mail yesterday. I didn't expect much as I only paid $14.99 with free shipping. I mainly wanted it so that I don't have separate charging and audio cables plugged into my Zune 32HD. It works about as expected. It obviously doesn't sound as good as the auxiliary jack but it does work. It's fuzzy at times but I haven't had a lot of time to find the best station with the best sound quality yet. I've only tried it in my 1997 Infinity which gets poor radio reception as is. I have yet to try it in my 2009 Acadia. For $14.99 I can't complain. I think the Monster site has a list price of $80.00
!! Definitely not worth that. If I can't get it to work a little better I'm probably going to open up the FM transmitter portion and convert it to an auxiliary output if possible.