I hate to jump on the band wagon with the "best of" questions, but this one kinda hits home for me.
Hottest hot sauces / spices / rubs. I've been using a rub called Death Rain as a flavorful (non Tabasco / vinigar-ful) source of edible heat. A friend turned me on to Dave's Gormet Insanity Sauce - WOW, this sauce has effects for 2 days! The bottle even has an advertisment on it "Strips waxed floors and removes driveway grease stains". I haven't tried, but I bet it would!
Anyway, looking to top his sauce - looking for help. Hotter the better!
BTW - the next time you hear from Super - D, ask him how Dave's Insanity feels in his eye.....