I am sure you will.

1. Check out http://hubski.com/topsubs , http://hubski.com/topcoms , and http://hubski.com/badgesubs to see some of the more popular posts and comments.

2. From there, you should be able to quickly find hubs that will be of interest to you.

3. Engage in discussions, share content and your thoughts

4. Profit...... intellectually.

Well, if you're ever able to see this comment: your hubwheel (next to your username in the top right) turns from white to orange when you have new comment replies. And I'm not sure if this is still the case, but when I signed up, email alerts were on by default.