Great, witty dialogue that caused a number of giggles. Ben's eulogy was priceless. As was Sawyer saying "I guess I'd better put some pants on."
Lots of information to mull over. We are getting closer to answers, I believe.
Look closely at the photo above. Everyone except Locke is facing forward. Locke has his back to us. Perhaps it symbolizes he is not the real Locke, but is the fake Locke.
And the Old Spice commercial was the best!