Google bought Nik Software a while back and the result is that the complete Nik Software bundle has been price dropped by Google
http://www.petapixel.com/2013/03/25/...-for-only-150/
Get the complete Nik Software Plugin Suite for $150 USD
Not only that, but if you have bought ANY Nik Software plugin in the last five years, Google is giving you the complete collection for FREE.