Bordeaux 2010 En Primeur coverage from Decanter.com

En primeur and wine futures for beginners: fine wine investment guide

If you're new to Bordeaux en primeur, here's Decanter's guide to understanding the basics of wine futures and fine wine investment

Bordeaux 2010 en primeur investment guide

Yes. You should always shop around for the wines that you are interested
in. So get as many merchants' offers as you can and compare prices –
they do vary.

Also, find out as much information as you can about
particular wines and regions. Don't just read the merchants' reviews of
the vintage, read several vintage reports written by respected
journalists from specialist magazines and newspapers.