From
cavemanlawyer's super awesome 40th birthday pre-funk yesterday. 1998 50th, OGV 2002-2008, 2010, 2012, 2014. There are two 375ml of 2005 with different labels, and 750ml and 375ml bottles of 2008. The 2007 St. Valentijn synthetic cork held up well, but the 2006 synthetic cork did not.
Things generally progressed from super deep horse blanket/sock/soft cheese rind mustiness on the oldest vintages through to sharper, less multi-dimensional funk and brighter acidity on the younger bottles. 2007 (non-synthetic cork) struck the best overall balance between those two realms.
Other than the 2006 synthetic cork bottle just being bad (very oxidized, a bit putrid), 2003 was the real anomaly and the consensus favorite - it had the deep, infinitely complex funky notes you'd expect in older vintages but somehow maintained smooth, lively carbonation and beautifully balanced citrus acidity.