Destiny is shaping up to be one of the biggest (if not the biggest) releases of 2014. To sweeten the deal for those planning to adopt a next-gen console, Sony announced a deal with Bungie that would bring a glossy white PS4 to market with a copy of Destiny.
If you are interested in the new White PS4 but don't necessarily care for/want Destiny, you'll be able to purchase the console seperately in the future. According to Shuhei Yoshida, after Destiny launches on September 9, "we're going to release the standalone white PS4 as well in Europe." There is no set date for this new availability, or if the standalone White version will become available in North America.