Theres just a bit too much going on in the BG. MInimize it a bit. go through your Psd hiding and unhiding layers and see what is vital and what isn't. It's an important part of becoming a GFX designer you need to learn the minimality (is that a word?) is a key part to graphics.
Nice text though i liek the text a lot.
I reccomend next time you startw ith a compleltly black BG and then apply all those fractals and everything. It'll give it a darker more cool feeling.
And also add some contrast to this sig, it's dying for it
Not bad overall just need to work on effects.