Fastest, Most Fluid Launcher?

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http://androidforums.com – I really love GO Launcher EX, but I was wondering if anyone has ever done a (scientific) test regarding the various launchers available. I’m looking for the most fluid one. My phone received the Jelly Bean update this morning, and it just seems that my GO Launcher EX is a little bit laggy. I’ve heard some nice things about Nova Launcher, but I just don’t know which one to choose. I like to have a lot of options, I want fluidity, and I want to be able to have Facebook & Twitter widgets which show my feeds. Please advise. (General)