http://www.techspansion.com/visualhub/

VisualHub bridges the gap between numerous complicated video formatting standards, and people that just want to get the job done - just what you would expect from the Mac.

If you're looking for something a little more flexible, VisualHub's up for that challenge too. An extensive Advanced panel lets you change all pre-set aspects of encoding...and then some.

Rapidshare:
(converter + serial inside)
http://rapidshare.com/files/42948041/VISUALHUB_v1.23_MACOSX.zip