I accidentally got redirected to the following URL on RIM's website:
Add HTTPS "/" www-dot-blackberry-dot-com before the link below
/Downloads/contactFormPreload.do?code=6C3CF77D52820CD0FE646D3 8BC2145CA&dl=BEF9E67CF219CAE78E31C51BD8D7E546&step =4
I insatalled it from Bell Mobility and it is working great, it will not brick your phone! Everything is running better and now i can stream videos even from youtube! Its a safe download so go ahead and get rid of 4.2 and get the 4.5