Here are two interesting sites:
What is better than one Google? -- 4 Googles !!!!
And if you dont like the current Google with advertisements and want your old not so cluttered Google back - here it is
Courtesy @adivik 2000
I have not been a great fan yet of bing yet..... but does Google really have that much of a switching cost? So far with me it seems to be correct.
And if you want to have a look at Google's logo gallery here it is.