I just got a proper case for mine as my lovely son tried to eat it last month as my home made case looked like a toy he likes to chew on.
Other than making it a bit more baby proof I have been constantly upgrading and placing with XBMC, I finally have a build that I am happy with for watching tv shows and films BUT now I have a problem with the photo viewer as it hangs every time I try and open a directory.
It's still fun to play around with and the wife actually uses it.
I'm going to give it a go in my car since I have a tablet mount. Still need to check the official cable with my chargers to make sure it charges.
I've recently been using my phone as a WiFi hotspot quite a bit and it's pretty much flawless so should be reasonable in the car.