This site calls itself the best feet forward motorcycle club.
http://en.wikipedia.org/wiki/Feet_forwards_motorcycle
Wikipedia's definition and history of feet forward motorcycles.
http://en.wikipedia.org/wiki/Quasar_(motorcycle).
Wikipedia's description of the Quasar, a fantastic machine created by Malcolm Newell and Ken Leaman.
http://www.youtube.com/watch?v=KA8aFt-XH4w
Video of the Quasar and Voyager (and more) cruising down the road.
Tony Foale is a top authority on suspension design. Take a look at his rake & trail experiments.
An amazing site filled with photos and descriptions of various feet forward designs.
http://negatendo.net/kmc/en_feet_forward.htm
Another great site filled with recumbent motorcycle photos.
http://www.freerepublic.com/focus/f-bloggers/1627917/posts
Kaneda's incredible feet forward power bike was inspired by hentai comics and is now being produced.
http://www.ratbike.org/pages/753mzff.htm
An MZ 250 converted to a recumbent, as featured in The Rat Zone.
http://www.angib.pwp.blueyonder.co.uk/ff/ff.html
A great site with history and information about a lot of feet forward machines.
http://eco.peraves.ch/ndexe.htm
The Eco-Mobile, a highly advanced (and highly expensive) enclosed motorcycle being mass produced.