If you are a pencil-and-paper RPG gamer -- particularly if you play any incarnation of AD&D -- you must see The Gamers: Dorkness Rising from Dead Gentlemen Productions.
The movie is made -- probably in a garage -- from the perspectives of a gaming group, and switches back-and-forth between the players at the tabletop, and their characters in the game.
While by no means high-budget, it is side-splittingly funny, and surprisingly well-done. Hollywood should take notes.
Unfortunately, if you're not a table-top gamer, you probably won't like it nearly as well.
Watch for inside stuff -- Sean K Reynolds and Monte Cook both have cameo roles; Gary Gygax's name is used as a Glyph of Warding, and there are multiple references to various other RPG games.
Undead Turkeys Rule!