The American magazine Food & Wine carries a fascinating article by Robert M Parker Jr in its October issue which you can read at http://www.foodandwine.com/preview/invoke.cfm?objectID=B3B6C0BB-3157-47AE-9347AFE4A86EF60F
It's all very sensible and fairly global (with the exception of his prediction that the US will be rid of its crippling three-tier distribution system by 2015). Most of his dozen predictions are not really about how wines are likely to taste (which might be a bit of a hot potato), but more about how they are likely to be sold, drunk and discussed. One notable prediction is that the internet will become increasingly powerful...