Unless you're on Skype or Ventrillo it gets tiresome typing ns, gs, ooh, etc, etc. and pretty boring after a while don't ya think?
I'd like to suggest adding player-to-player sound effects that would be enabled after your shot and allow your opponent or playing partner(s) to actually applaud your shot or in some cases talk a bit of smack. Kinda sorta like this.

Click on the photo to read 'em. What do you all think?