Here's an edit: http://i.imgur.com/UIstp0V.png
I readjusted the palette to provide AA relationships between the colors, effectively reducing the color count by quite a bit. Also touched up the AA that was already there. Found a few colors that were used in isolation and didn't really effect the piece in total and/or could be easily replaced by existing colors. Also added some much needed contrast. Also touched up the "bling" effect. Feel free to hate it or like it.
Color count reduced from 24 to 16
that *BLING* effect could be better (wrong color and too small in my opinion) the rest looks good to me. i like the hand :)
I like the edit! Especially the color reduction, thanks for that.