Saw it tonight. A group of four friends go to Vegas as part of a bachelor party for one of the friends. Awaking from some serious drinking the next day, they find the groom-to-be and all of their memories from the previous night missing. Thus begins a quest to find their friend...and to find out what the hell they did last night. Funny. Lots of laugh-out-loud moments. The leads play off each other very well and the situations are hilarious. Even a small sub-plot with Mike Tyson works. 7/10.
I do want to see this, but I may wait until it hits the local $2 theater. The premise sounds great and the previews look funny.