I bought one from an Aussie seller, from memory around $400 for my daily '09 corolla about 2 years ago. It was fitted with the toyota plug so even a dope like me could fit it in 10 mins during my lunchbreak in a westfields car park. GPS, dvd, digital TV, usb, ipod connect, reverse camera, bluetooth. I've got nearly my whole mp3 library in a usb stick. Tv reception is dodgy when car is moving (not that I watch & drive). They say it picks up HDtv but having probs with that. I mainly needed the GPS (for work) and that works great-really fast and lots of settings. Maybe 3 times a year the GPS freezes, just have to reset then all good again. So all in all I'm happy with mine.
I haven't had any probs with mine but I can only suggest you pay a little more for an aussie seller in case you have any probs.
cheers, Mike.