Product Idea: Simple Hosted Commenting
benjaminlehn.com
benjaminlehn.com
Stripped down web services for users competent in html and CSS is not a market. Those guy don't fork out the money, and they don't write about monetizable topics, so their visitors tend to be cheap as well.
Also, a free version could have a logo/link to the site, while the paid version is completely white label.
Finally, it might just be a good project to have on one's resumé. Even if it's not directly profitable, it could lead to a better paying job or a better chance at get some VC funded.