I received my SOG Powerlock yesterday in the mail that I got off ebay for $45 brand new. So far I'm pretty satisfied with it although some of the functions seem to be sub-par to my Powerassist. Things like the Piano Lock on my PA were much better for locking the inside tools which brings me to my first question. I was looking through the SOG website at multi-tools and I came across mine (which is the B-61 Powerlock version in Black). While looking through the pics I saw a different lock for the interior tools. Is that lock better??? I noticed my tools were a little difficult to lock in sometimes so I was wondering if the newer lock on the newer Powerlocks is better. I noticed a few other changes as well, but right now I'm most concerned with the new locks. Any thoughts would be much appreciated!!!