samataro: I'm working full time and using laconica was simply the quickest way to get from the idea stage to up and running. If imgfave take off I'll most likely rewrite it from scratch.
You should be sure that "rewriting from scratch" is going to give your users some concrete benefit that will make them like your site even more, and you should be sure that "rewriting from scratch" is the easiest way to give your users those benefits.