11- stay on top of spam or die. And for heaven's sake don't sprinkle ads throughout. Better yet: 11- have a look at news.ycombinator :)
I thought 11 was "write up a quick top 10 list about your site and get it Dugg, driving up your Google ranking." :)
digg won't necessarily drive up your Google rankings but it can drive traffic to your site which, if you have something to offer, is a good thing, right?