My experience is the exact opposite of Jonathan's. If I drink a glass of pasteurized milk, my stomach is upset within 15 minutes. I stopped drinking it 20 years ago.
Found a source of raw milk recently. Can drink as much as I want, no problems.
Try it yourself, see how it works for you. Don't let one person's horror story disuade you - there are many reasons he may have problems with raw milk such as a food allergy that you don't have.
For what it's worth... my son (3.5 yrs) has the same problems with processed, pasteurized milk as I do, but not with raw.