It seems that Yahoo! already started the campaign against online gambling. For a search with the keywords “online gambling”, the first two positions belong to a same site that was shuted down by the web hosting company for the violation of the ToS:
#1:
Site Status Message
Site Shut Down. www.xanga.com. gambling72’s site has [...]

It seems that it is very hard to make predictions on gambling, this year even more difficult than the other years, and online gambling much more difficult than the classical gambling.
2008 will be a very good year for the land casinos. Las Vegas has some big problems that will allow to other [...]

Germany will ban any form of Web-based gambling or brokering of games over the Internet, beginning with January 1st, 2008, including the advertising of gaming over the Internet and on television.
Germany ratified an accord that preserves the country’s state monopoly for lotteries and most forms of betting. The new online-betting laws, [...]

The World Trade Organization, on 21 December 2007, issued the arbitration report regarding Antigua and Barbuda’s complaint against “United States — Measures affecting the cross-border supply of gambling and betting services” (DS285), especially UIGEA, awarded Antigua and Barbuda an annual $21 million compensation claim against the US and also [...]

The European Union, Japan, and Canada have reached a settlement with the U.S. regarding its protectionist online gambling policy through UIGEA, although US tolerates some forms of online gambling, such as state lotteries and horse racing.
Remote Gambling Association made today a complaint under the EU Trade Barriers Regulation seeks to stop discriminatory [...]

All the three companies have agreed to pay a total of $31.5m (£15.7m) to settle claims that they accepted online ads promoting illegal gambling, during the last ten years.
Microsoft has to pay $21m, part of it as a charitable donation to support exploited children ($4.5m to the International Center for Missing and [...]

Unfortunately for the online casinos and poker rooms, the agreement (signed in Geneva) is not to change UIGEA, but to compensate EU for this ban.
United States will compensate European Union especially in the domain of the trade, and mail services. In accordance with Business Week, “This compensation cannot be [...]