Any reason you've discounted the Ninja's? The 250's and 500's are fine starter bikes and far more prevalent, as you've already noted. If you're certain you only want what you've listed, its entirely possible you'll have to buy new, if they're still being made (some don't look familiar at all).
More info on how you picked these would be helpful (including a link if you've already stated these pointers).
Dragging knee is for the track, and dragging tail is for the lot. --Kane Friesen
When you're in a car, you're watching a movie; when you're on a bike, you're in the movie. --Robert Pirsig
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