first and second almost identical.. except for the mirror... you could try make it a lil more complex.. jus my 2 cents..
i like first though you could give it some more breathing space by reducing its size. as a member commented that the he doesnt like the first one cos its too simple. I like it for exactly that reason. A logo is one that is clean and simple and could be reproduced everywhere in all sizes. Nike anyone?
I like the mirror image effect of the second one but find the gradient effect washes it out a bit compared to the flat colour of the first one. If you can make the second one a little more stronger in tone then I think you would have mastered it.