TaxonomyManager.RenderTaxa
Can you give us a method to render out a List<Guid> of categories easily?
Render out to a UL\LI, optional parameter to wrap the item in a link to do filtering?
<ul> <li>Category1</li> <li>Category2</li></ul><ul> <li><a href="?">Category1</a></li> <li><a href="?">Category2</a></li></ul>