Wow, it seems you've improved a lot. Only things that could really be improved is the pixel like things on the face, the text, and some of the effects could be a bit more smudged into the BG, because the left and very right side looks boring. It'd also be cool if you sharpened up the gun, a lot.
You smudged. That was a big mistake. Smudging if for not-so-flashy sigs. You attempted to put that in a flashy sig. Still, good improvement.