This guy has much better tung prices, particularly in the larger sizes.
http://flyfisharkansas.com/flyshop/?page_id=13
He currently has a sale: Any Color-up to size 1/8th or 3.2mm $3.00 per package of 25 or .12 cents a bead. Sizes 5/32 and 3/16 are only $3.50 per package of 25.
Really nice people, quick shipping and the beads are identical to the Cyclops brand (because this shop is their importer I believe). Great quality tung beads. I love tung. Gets them down quick. Free shipping over $24. Sign up for the newsletter email that comes out and announces great deals like $1 UTC and $179 Greys Streamflex.