With all the bitching some people seem to have with these units, I thought I'd post my own experience, which so far has been a positive one. So here it is:
Before purchasing this unit I scoured the net for every review I could find. Much of it in this forum. I read all the positives & negatives about the f series, as well as all alternative units that did similar things including possibly installing a carputer instead. I will say, in defence to all the noobs that ask the same questions over & over again, that searching can sometimes be frustrating because there is sooo much info to sift through.
Anyway, I decided that despite the flaws of the f-series, they were flaws that I could live with. I got my 900bt at a decent price ($595 shipped from amazon w. 2.0 firware already installed) on friday, and it took me a total of maybe an hour & a half to install by myself, including the DVD bypass. I've only had it installed for 2 days, but so far, everything seems to work as it should. My old sony ericsson s710 cellphone synched just fine, navi works, radio works, all in all I am pretty happy so far.
Yes, it could be a bit quicker to boot up, and I wish my thumb drive would fit in the USB port better (seems to be difficult to plug in!), wish it had a built-in HDand wish some functions were easier/more intuitive, , but these are just minor annoyances.
Other than that, everything works! I really can't understand people wanting to sue pioneed and all that? I hate people that do nothing but complain all the time!
I've looked into some of the mods and may decide to install some of them at a later time. Who knows, I may get crazy and decide to make my own front end since it's based on CE (although I doubt it because I'm lazy & spend my entire day at work programming & would rather not do more of the same once I'm home).
Cliffnotes:
1. Happy customer
2. Middle finger extended to the AVIC-haters