My 2010 OB was made in September 2009, and then I bought it in October, 2009. But I think Subaru started making the 2010 models (at least for the new Outback) in June of 2009 - they were ahead of the usual intro date for 2010 models by a few months. So the July 2009 purchaser who started this thread does have one of the very earliest, I think.
Mine is a 3.6R Limited, and during those first few months they were very hard to come by. Most dealers only had one or two 3.6's - I was lucky to find one that was pretty much exactly the way I wanted it.
I'm just getting ready to turn over 80,000 miles. I've had one or two little annoyances, but am basically very happy. One thing that amazes me is that I'm still on the original brake pads, both front and rear.