Best Live Album Ever...

Bruce Hornsby Here Come the Nosiemakers
Tommy Emmanuel LiveOne
Robben Ford and the Blue Line The Authorized Bootleg
Jesse Winchester Live From Mountain Stage
Darrell Scott, Danny Thompson and Kenny Malone Live in NC
Rhonda Vincent and the Rage Ragin' Live
Steve Goodman The Easter Tapes
Steve Goodman Live Wire
Steve Goodman No Big Surprise
New Grass Revival Live

I almost forgot...
Tom Waits Nighthawks at the Diner

Umprhey's McGee "December 31st 2004 Chicago"
Steve Goodman "Live Wire"
Bela Fleck and the Flecktones "Live at the Quick"
Allison Krauss and Union Station "live"
Ricky Skaggs and Kentucky Thunder "Live at Charleston Music Hall"
Antonio Forcione "Live"
Robben Ford and the Blue Line

I still come back to this thread for the great suggestions.  
Here are two more very fine albums:

Dan Fogelberg Live at Carnegie Hall
Harry Chapin Greatest Stories Live