I also put together my own little soundpak. I was going to do lots of stuff like acurate HUDs too, but:
1) I don't have the skill
2) I don't have the time
3) I really can't be arsed.
So, yes, I have a sound pak too. I was going to tell you that all the grenades are using the same sounds, but it's been said.
Makes this post kind of pointless, doesn't it?