Honda Hobbits should be up there with Vespas and Derbis. They have the same "variated counter clutch".
The problem with Vespas and Hobbits is that they get rev limited cause you can't change the gearing without replacing the rear transmission gears. Which are around for Vespas but are hard to come by for Hobbits.
The Derbi is better because it includes the chain in the transmission and you can change sprockets to re-gear it.