Kershaw OD-1 - manual flipper (really more launcher than flipper), G10 scale, frame lock
Kershaw Blur - assisted-open w/ thumbstuds, aluminum w/ TracTec handles, liner lock
Kershaw Leek - assisted-open flipper, stainless steel handles, frame lock
Ontario Utilitac II - manual w/ thumbstuds, textured FRN handles, liner lock
CRKT Ripple - manual flipper, aluminum handles, liner lock
CRKT M16-01Z - manual flipper, textured FRN handles, liner lock
For the Kershaws, to get to your price range, you might have to look at blems. Check out
kershawguy's listings for those. Most of the "blems" are cosmetic, and many aren't noticeable at all. I've only gotten a couple that had functional issues, and even then, those weren't complete show stoppers.