Sig 1 : 4/10 - 400K
The addition of the vignette didn't add too much depth, and the and the simplicity of the choices with the text don't make sense within the piece. I appreciate the focus put on tweaking the player render, but not enough alterations were made for it to make sense. An easy way to get this closer to a 5 would be to look into the rule of thirds.

Sig 2 : 5/10 - 500K
This signature is more tonally focused. While I'm not sure how much was a borrowed image, and how was an original alteration, your choices with the text tell me that you know what works. The text sizing and color choices look better than Sig 1, but could easily be manipulated to improve the layout.

Sig 3: 5/10 - 500K
The muddiness of the text really hurts this signature. While the stock background elements and player render have basic lighting filters applied to them, the choices with the text color, placement, and potential enhancements cause the piece to look accidental.

Total: 1.4M x 2 = 2.8M