I love using this addon, it is very useful and informative. Might I suggest a few enhancements:
1. The phpBB export format works well as links. I was wondering if you could provide export options for a format that you provide. For example the phpBB format may have an option that would be "Enable Hover-Over Tooltips". By doing so the export format would change from using a url to using the following format in your Exporter.lua:94:
exportString = exportString .. "[item]" .. lootName .. "[/item] by " .. v:getPlayerName() .. "\n"
2. It would also be nice if you had general export options regardless of the format selected, that would allow you to enable/disable all or certain boss and player details.
3. Finally, I love the exclusion list, but I had to read the forums to figure out how to use it. It would be neat if HeadCount gave the ability to right-click an item and add it to the exclusion list. Performing this action could also clean up the current active raid of that particular item. Throwing in a frame for exclusion management would be a nice touch with this.
I love the addon and will continue to use it. I was just wanting to provide some input on maybe some future development ideas and suggestions if you are taking any. :)