If it's hard to get, it must be good! The way things are going, homebrewers will be able to make a small fortune on ebay soon.
"FS: One bottle of Imperial Uber Stout, vintage 2006. The only bottle from the batch available for sale, ever! (as all others exploded). Lost for years but recently unearthed in a 90 degree attic. Aged in rich Mexican plastic for 15 months. Rich, roasty, vinous, acidic from a pedio infection, bottled in a corona bottle by a bearded lunatic homebrewer living in the picturesque mountains of a far off place. $900 OBO"