There are under 22,000 total entries in this one, and you can earn up to 26 entries through Rafflecopter.
The prize is pretty fabulous - a MacBook pro w/ Retina Display:
At the WWDC keynote, Apple announced their next-generation of MacBook
Pros. The super-powered Apple computer sports a beautiful display that
Apple promises with deliver stunning visuals, less glare and a higher
contrast ratio (among many other improvements.)