I'm not getting any. Maybe they're an undocumented feature just for you.

When someone adds you as a friend? I don't think you can. I mean, this has only been in beta since February.

yeah this is a problem

I can't wait til they roll out the "Computer will stab you everytime someone Plurks!" feature.

couldn't find the turn off email notifications feature; lame.

Click on 'My Account', choose the 'Privacy' tab, scroll to the bottom of the page.