Finally got OutRun 2006 today.

Some tidbits after playing it for a little bit (aka four hours):

-It plays exactly like OutRun2, so you can just jump right in.
-Cars actually spin out of control when you hit them from behind at high speeds (non-rival cars fade away afterwards).
-Slipstreaming has been added. You can gain some extra speed if you stay behind a vehicle. If you've played 18-Wheeler American Pro Trucker, you know exactly what I mean.
-Flagman (the fat guy in the red shirt) talks!
-Instead of unlocking stuff like in OR2, you'll now have to purchase them using OR Miles you get in the single-player mode.
-You can listen to the original 1989 tunes and their remixes.
-All of the OR2 tracks are in this game, along with the OR2SP tracks.
-You can switch to custom soundtracks.