It is already four months after Drupal 7 was released. We can wait no more, this is the Drupal 7 version of Alphorn, one of our popular free Drupal themes.
Well, I guess that (choose as many as apply): a) I'm really feeling like a fount of information today; b) I'm really inspired to share; c) I'm really trying to avoid doing any work.
As long as I'm being sidetracked and/or feeling inspired to write, here's another quick entry. This one gives a brief introduction to hook_theme and theme overrides.