PC gamers hankering to get some hands on time with stealth game Hitman: Absolution now can. The "Sniper Challenge" demo has been available for a few months now for console players; as of today it's ready for PC, too. To get access, pre-order the game. For consoles this was exclusive to GameStop in North America, so it should be the same for PC.
Sniper Challenge, if you haven't been paying attention, is something of a "lost level". It won't be in the main game, but you'll see similar content in the game. It's worth noting playing it will unlock various bonuses for you in the final version, however.