A few of our favourite resources:

BOOKS

Jancis Robinson's Wine Course (Jancis Robinson)
Grapes & Wines: A Comprehensive Guide to Varieties and Flavours (Oz Clarke and Margaret Rand)
World Atlas of Wine (Hugh Johnson and Jancis Robinson)
Envisioning Information (Edward R. Tufte)

PUBLICATIONS

The World of Fine Wine

WEBSITES

Jancis Robinson
Eat the Seasons
Information is Beautiful

RETAILERS (UK)

Les Caves de Pyrène
Lea & Sandeman
Noble Green Wines
Philglas & Swiggot
The Sampler
Vintage Roots
The Wine Society