Check out this interesting custom bike from English Cycles. Apparently it was a request for a customer that it be single sided! This brings up a lot of questions about twisting and forces at play, but also looks really darn cool!
Love that green!
The handling of the rear hub looks particularly sweet, custom and expensive:
Belt drive rear end
Why not have half a handlebar, you know, give it the full effect? See the full article plus some more pictures here.