Just have a look - Diet Coke and Mentos reaction http://video.google.com/videoplay?docid=-1450915772177922792
Coke is perhaps the best soda their is.. Because Personally i think that Pepsi is such a cruddy drink.. and can never pass the test against Coke
Coke is evil, I never drink it. If I want caffeine I'll have a coffee, and if I want a soft drink with some flavour I usually have fruit juice. Try the 2p test: put a copper coin in the coke, leave it overnight, and then ask yourself what that stuff could be doing to your teeth. I do sometimes use it to clean out my drains, though.
Coke? Yuck! Nothing like drinking battery acid straight from the aluminum can. hah! Cherry coke is alright though... Pepsi & Mt. Dew is where it is at!