XS Energy Drinks are the best tasting by far. And they have a ton of flavors.
Only problem is you need to know someone in Amway or are a member of their Quixtar online website. Thankfully my parents have been for years and have cases of this shit in their basement.
http://en.wikipedia.org/wiki/XS_Energy_Drink
Here's the list of flavors:
1. Peach Tea Blast
2. Cherry Blast
3. Rootbeer Blast - also comes as Caffeine Free
4. Cranberry-Grape Blast ? also comes as Caffeine Free?
5. Tea-Berry Blast
6. Cola Blast
7. Electric Lemon Blast
8. Tropical Blast ? also comes as Caffeine free
9. Citrus Blast
10. Black Cherry Cola Blast