Replace Blackberry Bold Trackball?

Does anyone know how to change out the blackberry 9000 trackball yet? I have yet to find anything on this.

I heard there are vids on youtube. Have to take the case apart though.

I've heard good things about this place for getting replacement parts. :)

BlackBerry - Accessories Store, Dopod/O2, Panasonic, Motorola, Nokia, Apple, 3G, BenQ-Siemens