Best Live Album Ever...

Allman Brothers Live at Fillmore

Santana Moonflower

Dire Straights Alchemy Live

Jeff Beck Live at Ronnie Shots

David Gilmore Live in Gdansk

Frank Marino & Mahogany Rush - Live

Off the top of my head...

The Kinks "One For The Road"
Miles Davis "Friday & Saturday Night At The Blackhawk" (Mosaic Records)
Art Pepper "Live At Ronnie Scott's" (Pure Pleasure)
Nirvana "Unplugged"
Stanley Turrentine "Live At Minton's Vol. 2" (Music Matters)
Cecil Taylor "Live In Bologna"

judy at carnegie
bowie: live at santa monica
dead: live dead (or better still: dix pix vol 2: 2/13-14/70, alt: rockin the rhein)
JGB: bay area 78
phish: colorado 88
allmans: fillmore east
sinatra and sextet in paris
neil young: massey hall
and led zep: how the west was won

Sinatra--the Studio Album