I am running IE7 Beta 3 on a Windows Server 2003 VMWare instance at a customer site. I refuse to put that on a PC that I care about

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I use Safari on my Mac for multipage searches, which utilizes Google as its search engine. It's a very nice browser, and probably the best out there, IMHO, for general usage. Opera also has some very nice features (page scaling) that the other browsers just don't have.
However, for a PC, Firefox is still the best. Even though it has its memory leak issues, it still is the best for the PC for its plugin finder and other services.