Topic suggest plug-in….does it exist.

I’ve been looking for a simple tool that lets users post suggestions for future topics and posts they would like to see in my blog. Just a simple one liner, that’s easy and low threshold for the users to use. I haven’t been able to find anything like this in the plug-ins available, but I might have missed it.

The idea is somewhat inspired by IBM Blog Muse.

Anyone know of a good tool for topic suggestions?

If not, I might just find the time to write one. ??