Yeah it works _really_ well, especially (and obviously) in conjunction with proxychains.
Moxie is definitely becoming a personal favorite for his apps, papers and research.
Yes, there are some real gems there on the site. I was previously only aware of sslstrip (because of the Blackhat generated publicity) but browsing the site more extensively has revealed some other fairly cool stuff...
Capitalisation is important. It's the difference between "Helping your brother Jack off a horse" and "Helping your brother jack off a horse".