By popular demand, we have added SSL -
https://bitcoinharbor.comNote that your browser might complain a little - Google's adsense doesn't support ssl, so the ads themselves are not encrypted :-/. This doesn't create any security holes, but browsers may have something to say about it. We are considering dropping ads in the next revision, thus solving the "problem".
In the meanwhile, the site is securely browseable. Enjoy, and happy Bitcoining!