The legs still look a little wonky, although this is much better than your last go.  I think because the forward moving leg never extends before touching the ground it still gives it a pendulum feeling,.  Check drawings 1 and 7 out on this image from Richard Williams Animator's Survival Kit, which I also suggest you get if you haven't already!  :D

Also, I feel that the pelvis is rotating far too much, for as little as the torso is doing.  It kind of looks like a machine that has only a pivot and no interal organs to worry about. ;)

It's pretty good animation, but he looks like he's running on an eliptical machine, rather than on ground.  This is because his legs are touching the ground while they're moving forward, rather than touching the ground only when it makes contact to move backward.  Does that make sense? :)  It's like he's tripping on the ground.

Oh thanks! I hadn't noticed that.