Thought I would throw my .2 in...
I just purchased an Emerson CQC-10 and I've been using a Benchmade 950 Rift.
I had done a lot of reading about Emerson Knives online before making my purchase. I had read about the chisel grinds, lock problems, etc. but also read about all the people who were/are happy with their knives. Decided, what the hell, and went to the store and took a look at one in person. I liked it so I bought one. In comparison to my Rift, which have similar price points, it's much sharper out of the box and the grinds are more visually appealing. The two "satin" finishes are different... both are very nice ( to me). The emerson has a chisel ground edge that is left handed. This works out in my favor because I'm left handed so I have absolutely no problems with it. It also negates one of the major selling points of emersons which is the wave feature. No big deal for me, as I see the wave feature getting in the way for EDC.
Obviously, the 950 Rift has the Benchmade Axis lock and the Emerson has a liner lock. Both lock up 100% for me. I spine whacked the emerson (Regret doing this now because it accelerates wear) and it did not fail. The Rift is a much faster knife if you don't include the wave feature.
That's all I can think of at the moment but if anyone wants me to make any other comparisons just say something.