Here is a reasonably priced Suzuki two-stroke that someone on ADV just brought to our attention:
I've got a T500, love it, but many people go after the two-strokes for all the things that the T500 is not: twitchy.
I think of my T500 as a lumbering beast, growling with every step, vs the flickable rng-dng-dng RDs.
Good luck with your search!
If you don't know:
now, you know.