African Cats has some nice looking production catamarans. What really interested me was their "Green Motion" line of hybrid drive systems. They seem to really emphasis regeneration of power while under sail with the idea of oversizing the motor so that they can better regenerate.
They also have wind generators, RIBs, and several other products that might be worth a look. Their web page is a bit "pdf happy" in my opinion (only use pdf when you really need to, please!), but still has a lot of info. read more »