I'm around the 7-8 month mark as part of the WA community, and i'm happy to report I've 1,274 points of success.
What do I mean?
I check Webmaster's Tools this mornings and found that I'm now ranking across 1,274 search queries. That's a lot of keywords...more than 3 times the number I've actually thought about targetting with my posts.
Granted, I'm not on page 1 for many of them, but the seeds are certainly sown...