Useful if you're puzzling over availability of a particular malt...
http://www.brewstock.com/brewstockbrewing.html
Bookmarked!
I don't know how I missed this last month! Great find John! Will was telling me about it yesterday and when I googled I also found the below, I haven't corss referenced it with your link but it has an extra maltster included so could be slightly better?
http://kotmf.com/articles/maltnames.php (http://kotmf.com/articles/maltnames.php)
edit: found another link and am adding it here, as it gives a bit more info on malts:
http://www.learntobrew.com/page/1fbcj/Home/Malt_Styles_Chart.html (http://www.learntobrew.com/page/1fbcj/Home/Malt_Styles_Chart.html)