Ok, I love my Bonneville... BUT... Im having a problem...
its very sporadic... but mainly happens while idling... though there have been
times when it will stall when I've taken my foot off the gas coming up to a stop
sign... or maybe decending a hill. (happend while my 16 yr old was driving only
two weeks after getting her permit!)

I can say the main times Ive experienced this problem, is in the drive-thru at McDonalds.
It will act like its going to stall... the amps go up and down... and sometimes it will stall...
and yet other times it will accelerate to the point that if I didnt have my foot on the brake,
I would most likely rear end the person in front of me! Also there are times when it does this, it almost feels as if someone has hit us from behind.

So far it has started right back up... any help is much appreciated!

MAF, or IAC possibly something in the throttle body

someone else might know more

I agree. Might also be a good time to check all the vacuum lines. When you come off the throttle and vacuum drops, all sorts of oddities can take place if you've got bum lines.

good thinking, it might be the line to the fuel pressure regulator

Check for vacuum leaks.