A shopping site that's gone to the trouble of allowing you to make an informed choice before you buy. Use the searchable database to find the wine you want, and read the impartial reviews before making a decision.
Shame there's no link to each retailer, though.
Prices and cultural references are American, but it's a small price to pay. This guide is not as comprehensive as its competitors, but easily outshines them with its interactive features. Use the map to search, or enter your own criteria. Country areas are better represented than towns. Many entries sport 3D status, which means you can have a look round the bar before you go.