Personally, Big Willie Style. It just had significance at the time. I took it everywhere with me, playing it on my portable CD player (prior to the minidisc/mp3 days). School, roadtrips, everywhere.
But this Lost and Found thing man. We'll see... we'll see...
On a macroscale, it's his best album, hands down, and I think he'd even admit that. But for people personally, it's still new, so we'll see.