I think the red stars need to be toned down quite a bit. I don't think they need as much visual weight. Instead, I'd want the content titles to really be clear.
The advertisement block needs to be toned down a lot.
The Channel9 guy isn't pixel perfect around the edges.
I can appreciate the move toward simplicity, but something still feels a little off design-wise. For example, the width of the Twitter and "What is C9?" columns feel off.
On the home page I see 3 completely different styles of horizontal rule: light grey solid, thick grey (in "Community Activity") and dotted black under the bottom headings. This makes things feel disjointed.