My list so far:
No official Google Drive[0] support (but we do have Dropbox)
No official Garmin Connect[1] support
All in all, that's not bad. All monitors, ebook readers, mp3 players, cameras, printers, wifi, mice/keyboards have all been perfect out of the box for years (for me).[0]: http://askubuntu.com/questions/161273/is-there-a-google-driv...
[1]: http://askubuntu.com/questions/505/how-can-i-use-my-garmin-d...