Anyone tried this stuff??
http://www.thinkgeek.com/caffeine/drinks/2818/
Case (24) of 10 ounces bottles. Your choice of Regular or Guaranexx (Sugar-Free). BAWLS Guaranexx is sugar free, calorie and carb free with only 15 milligrams of sodium. It is sweetened with a combination of Sucralose and AceK (NOT to be confused with Aspartame). And it tastes great!