590 O you who acknowledge, intoxicants, and gambling, and altars, and arrows of chance are tools of affliction used by the devil. You shall avoid him so that you may be successful.
591 The devil only wants to cause strife between you through intoxicants and gambling, and to repel you away from remembering God and from the contact prayer. Will you then desist?
The fact is that alcohol is discouraged in the Quran because it can lead to strife, confusion and repel you from the remembrance of God.
Before you take a sip of alcohol ask yourself these questions
Question 1 Would an intelligent and sincere servant of God willfully consume a substance knowing full well that it can cause more harm than good???
Question 2 Is it worth the risk? ( Alcohol vs remembrance of God )
There are lots of good replies to this thread. If speaking strictly from the Koran, it seems that alcohol is not forbidden. Personally, I lean toward the view of KDC501's quote above. While alcohol is possibly okay in moderation, I think it tends to open people up to a very devilish state of mind. Hardcore alcoholism is no joke, and can lead an individual to a very nightmarish existence (and quite often, making his/her family and friends' existence pretty nightmarish as well).
A very wise friend once pointed out to me the absurdity of some of the names of the drinks people put into their bodies Colt 45, Cobra, Magnum, etc. Why would anyone put something like that into their bodies? And yes, I do realize that not all drinkers consume malt liquors named after firearms and snakes.