Could anyone provide a comparison of the Dunstan versus the TN Div. of Forestry's "Hybrid" Chestnut trees?

The Hybrid trees cost $.75 each (100 seedlings) compared to $25 for the potted Dunstan variety.

I've heard both of these varieties are resistant to Blight disease.

I'm planning a new planting for early 2013 and need to make a choice pretty soon.

Thanks for any input.
Never be afraid to lead for the right cause.

"Whom shall I send, and who will go for Us?" Then I said, "Here am I. Send me!"

Isaiah 6:8