Looking for a mircophone enhancement

I was just wondering for all you singers out there.....does anyone know of how to make
your microphone sound good, like an amplifyer or sumthin.....
Thats for all us singers out there that NEED the enhancement for our voices....heheh...
By the way...i'm am now downloading this JBox....and I'll give my comments...hopefully it
has a amp in there somewhere...to help me sound like a STAR!! heeheh