Yahoo should have just taken the money and run. $44 billion is a lot to reject. I guess this doesn't effect most users anyway though, since the vast majority of people use Google.
I've probably used Bing since day one and haven't had any issues. The reason I stopped using google was because half the times I had to search for pages and pages for what I wanted since most of the links are completely irrelavent to what you search. I don't recall ever going past the first page with Bing. Also I hate google's current image viewer, its so annoying
"...our primary goal is to provide advertisers with a quality transition..."
Exactly; no benefit to users, just to the schlock-mongers. Wherever possible, I avoid doing business with companies using intrusive advertising.