looking for a taxonomy filter plugin

Hello all,

I'm searching for a taxonomy filter plugin. I found what looks to be a perfect plugin for my needs: http://codecanyon.net/item/taxonomies-filter-widget/4282257

I would have no problem paying the $16 for the plugin, except that I am not familiar with the developer and have concerns that it may cause problems or not be maintained.

Also, I'm new to WPMU and wanted to see what the community had to say. I've looked through the available plugins from WPMU and can't find anything applicable. If there is a plugin here that I can use, can someone direct me to it? If not, is this a project that WPMU would take on?

Thanks in advance!