Nicks Wine Merchants – Online wine school
I think this is a great site with some great articles.
“This course was first researched and written by Nick Chlebnikowski in 1998 and was originally available by subscription only. Vintage Direct have now made the course available free of charge to wine lovers everywhere, at the same time updating information where necessary and enhancing the contents with current scientific research, winemaker’s contributions, video, interaction, tasting aids, flavour charts and more.”