First off, love the theme. Using it on an internal IT Support blog at the school for which I’m the Network Manager.
Spotted a slight bug that I think crept into the latest version – ordered list items (ol li) are missing their numbers. It’s doing it on the demo site too, so I don’t think it’s me. Tested on IE8 and Firefox 3.6.10
Looks like a relatively minor CSS issue from some tweaking in Firebug, but I don’t want to presume to tell you how you should fix your own theme, so I’ll let you take a look.