www.ultimatefooty.com is a site which runs live drafts for afl. I dont know if it just started this year, but it is a very good website, as it has a lot of functionality. You can have a live draft, or a simulated draft where your is automatically filled bases on your predraft rankings... and when ur list runs out the rest of your players are picked based on 2008 rankings.
The league coordinator also has much to there diposal, such as setting the scoring system, trading system, draft time, team sizes etc.
Check it out