I recently posted Lowstream 2.0.9 on the theme directory at themes.wordpress.net and have gotten great feedback from the users and after being downloaded 900 times in just four days, I think it's been a really great success.
I'm looking for more feedback though of a more structured nature, from people that have been doing web design for awhile now. I'm really looking to improve the theme far beyond where it is, in pretty much all areas and I can't do this without feedback, so there never be enough.
Any feedback you're willing to give would mean the world!
To see it in action, it's running on the official Lowstream website at:
The 2.1.0 beta is running at: