I have tested all three of them, and find them quite interesting. The only thing that i think is a bit inconvenient is it only caters to local searches, in other words, your search results will only consist of local web sites or maps. Other than that, i think it is a fine gadget to be in my homepage. For you guys who has your own homepage, i would really suggest getting this gadget. And for those who don't have even the slightest clue of what a Personalized Google Homepage is, learn more by going to this link : More About Google Personalized Homepage.