How to re-map the Evo keys?

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http://androidforums.com – is it possible to re-map the Evo's keys (home, menu, back, search) with an application, on an un-rooted Evo? and especially the "long press" keys? I've been playng with an install of Go-Launcher for a couple of days and havent found an option, although I read it was possible before I installed it. Any other method (other than rooting) or applications thar will allow this? Patrick (General)