I've been caught up with NewsHeap and haven't been reading a whole lot. Mark Pilgrim turns us onto New news aggregator for Windows [dive into mark].
Fifteen minute impression is very nice indeed.
Feature request #1 would be linking to external links in the default browser rather than morphing the UI into a browser. One of the nice features on NetNewsWire is the ability to have a link show up behind the news reader while you continue to read items.