Once you're done, give me a shout. I've had so many ideas for my own blog but it's taken me ages to actually get round to setting it up. A hell of a lot of my site's traffic and keyword hits are coming via my blog though so I can see the massive potential there.
I've found that most of my blog traffic's come via Twitter and Stumbleupon. Twitters great if you can get a few people to re-tweet your recent posts. It's nice to know that the marketing theory actually works.