The FTC has finally been going after the CPA/Affiliate Networks, which in my opinion, is more useful than trying to go after the owners of many of the scams. Here's a round up so far:

FTC v Copeac/Intermax
Press Release: 03/21/2012
FTC Permanently Stops Two More Operations Charged with Using Fake News Sites to Deceive Consumers about Acai Berry Products, Defendants will Pay Nearly $1.5 Million to Settle Charges

FTC v Colideum - DBA Ads4Dough
Press Release: September 12, 2012
Federal Trade Commission, Plaintiff, v. Coleadium, Inc., also doing business as Ads4Dough, and Jason Akatiff, Defendants

FTC v ClickBooth
Press Release: November 14, 2012
Federal Trade Commission, Plaintiff, v. Clickbooth.com, LLC, also doing business as Clickbooth; Integraclick, LLC, formerly known as IntegraClick, Inc.; John Daniel Lemp, Defendants