You need a Benchmade Axis lock to add to your collection. By what experience are you saying Benchmade has bad QC? I've found it to be largely internet hype with a small group of squeaky wheels propagating something that's largely false. Which Benchmades have failed you on out-of-box quality?
Possible QC issues aside, it's hard to dispute Benchmade offering some of the best service and support in the industry. Until you've enjoyed the wonder that is the Axis lock, you haven't experienced how foldy a folding knife can be!
Oh, and go ahead and use those knives and enjoy them!