All of Nik's software plugins can now be bought from Google for $149, If you already own a Nik plugin you can get the rest for free.
This is the full list. DfineŽ 2.0, VivezaŽ 2, HDR Efex Pro™ 2, Color Efex Pro™ 4 Complete Edition, Silver Efex Pro™ 2, and Sharpener Pro™ 3.0.
http://www.niksoftware.com/nikcollec...o%2Fmain.shtml
Harry