The character designers in this iteration of the series have done such a damn good job I can't choose

In Morrowind I always went Imperial, Redguard, Orc or Dunmer, then in Oblivion beast races looked a bit lame and Orcs looked too shiny so it was human races or Dunmer.
Now in Skyrim I've started out with an Imperial for my ranger character, now have a Breton Mage, Khajiit Thief, Orc Barbarian and a Redguard and Argonian I haven't really used yet, then making a Dunmer Vampire Assassin and a Nord for the Naked Nord Challenge.
The only races I probably won't use for a long time, if at all are Altmer and Bosmer.