It's not hard to install, there's a video on how to do it on that site. And with the Bold, you don't have to worry about dust being trapped under the LCD cover after putting it back on like you do with the Curve, which was my biggest annoyance.
I'm just not sure if popping it open and replacing the trackball will void the warranty? Anyone?
not hard at all.but the video doesnt show you anything..it shows you how to take the phone apart..but it doesnt show you a close up of the tabs u need to pull from the trackball clip..and yes if you open up your bold you will void warranty.