This doesn't appeal to me in the slightest. I really hated the first film… I won't go into that now, but will tomorrow, in my Due Date Blu-ray review.
Nonetheless, The Hangover was both a popular and a financial success, and there's a huge amount of anticipation for this second installment. You'll see how this teaser plays straight away to the worst instincts of the audience, peddling some kind of fraternity spirit – but for a fraternity peopled with the selfish, tedious and egregious.
You can see that in HD at Apple.