I got those durban freebies too with my PPP order, lol! Haven't popped them yet. DP is a South African localized strain that was pretty much inbred from genetics that sailors kind of dumped there while on shore leave making the passage around... what is it, Cape Horn down there? Or Cape of Good Hope? I always get my nautical history cunfused... Anyhoo it's got a good rep as one of the true classics.