Spyderco has never made an assist knife. They do make a few flippers. All are good, but none are great. I really like the heavy mod version of the Southard made by Kevin Smock (formerly Bower Bladeworks) called the Mini Southard. Its pricey, though. The BM300 has really horrendous action. The problem is that the Axis lock riding on the tang of the blade creates a lot of resistance AND there is virtually no way to do a real detent. The Skyline is an excellent flipper, with really good action. I also like the Kizer Ki3404-3--titanium handles, great flipper action, and super nice steel for $130. The G10 Cryo is a super sweet little blade if you absolutely must have an assist. The problem with assists is threefold in my mind--first, and most importantly, a well designed manual is insignificantly slower; second, the action can cause legal problems by less than knowledgeable authorities that do not know the difference between assisted openers and switchblades (I have actually had some cases involving this issue); and third, the assist is another part that can break/fail/cause problems. Avoid assists. It sounds like you need a Skyline.