Still the best Japanese Custom house (in my humble opinion), Heiwa has produced a brace of great new customs for the 2010 Yokohama show - here's one of the best CB77's I've ever seen, and a perennial fave the Kawasaki TR250 below. You can see the link to their website on the right.
Have admired McDeeb's wonderful Enfield conversions before, but didn't realise he had a soft spot for Kawasaki W400's as well - check out these wonderful restorations (and one of his Enfields). His websites have a great selection of vintage European stuff as well.
The CL250 was a popular alternative to the CB250 in the States, but had limited appeal elsewhere. As the model developed into the 80's it lost it's way as more specialized trail bikes hit the road in the form of early supermotards. I owned a little white one as above in 1988, and it was a joy to ride around town. Owned a more modern Honda SPADA as well, and preferred riding the CL despite it's humble power. Eventually traded them both for a TDM850.