Nik Viveza Coupon
In March of 2013 Google announced that all Nik Software plug-ins would be bundled together into the Nik Collection for just $149! The bundle includes HDR Efex Pro 2, Color Efex Pro 4, Silver Efex Pro 2, Viveza 2, Sharpener Pro 3 and Dfine 2.
Nik Viveza Review
I also have a detailed Nik Viveza Review that tells you a lot more about their product with some good examples.