You can buy C & D blends very reasonable online...............
http://http://www.4noggins.com/cornellanddiehlbulktobacco.aspx
Billy Budd and Night Train are 2 favs of mine that are on the
strong end of the spectrum. Night Train is loaded with
Perique and Billy Budd with
Latkia, both unique and flavorfull blends IMHO.