Sounds good. It might be worth thinking about whether something closer to the HN/Reddit/Digg model might make more sense, i.e. 'Best of' being the default optio

Sounds good. It might be worth thinking about whether something closer to the HN/Reddit/Digg model might make more sense, i.e. 'Best of' being the default option, possibly with tweaks so that new posts get enough exposure to be upvoted.