What are the best vintages?
Vintages are very region-specific and there are no universally great vintages, though some have came close. Most quality-minded producers only bottle wines they are proud of, so while the vintage does affect the wines, in many cases it’s more a stylistic effect than a qualitative one.
The best vintages are the ones that you like. Some people prefer hot vintages that produce higher alcohol, fruitier, and often jammier wines, but others prefer the lighter-bodied, fresher, higher acid wines of cool or damp years.