The Department of Justice cleared the search box feature in Internet Explorer 7, calling it respectful to “users’ and OEM‘s default choices and is easily changed.” Windows Live Search is the current default search engine in Internet Explorer 7. Google was not happy with the browser defaults and complained to the antitrust division. (via Search Engine Watch)
The article also mentions a resolved issue with the “first-boot” experience in Windows Vista. I just installed Vista beta 2, and my first screen was a “Welcome Center” with a few control panels and tweaks. The first boot experience in Internet Explorer 7 helps you pick a default language and asks if you would like to turn on anti-phishing so I have no idea what the past complaint was about there.