I've been out of the cotton business for decades, but I still like the machinery. I saw one of these north of Kress, Texas, the other day. Interesting little machine. Weighs 30,000 pounds, costs nearly $120,000, but an interesting concept.
http://www.crustbuster.com/modulating-boll-buggy
http://www.crustbuster.com/modulating-boll-buggy