I'm with Steed on this one, the Pioneer is the best of that bunch. Note the Panasonic requires another adapter to work with Ipods, and likely wont' work with the newer models. The refurbished big screen thing looks nice, but being refurbished and on ebay are two things that don't go well together in my experience.
I'm pretty much in the same boat as you, but financially can't swing the DD units right now. How ever I was looking at these:
This one's simple looking, but has all the features you asked for and has the option to change the colors displayed to match the rest of the interior lighting
http://www.crutchfield.com/p_0...=5684
The other one is this Sony. Not exactly attractive and no bluetooth, but not too bad.
http://www.amazon.com/Sony-WXG...r=8-1
And of course, I haven't seen yet where anyone has installed one of these bad boys in their Versa yet. It has it all (mostly)!
http://cgi.ebay.com/Car-DVD-GP...0.m14