Final Release of OS 5.0 from RIM to carriers is expected in early february 2010. New software will be available for Blackberry 9000, 8900, 8520, 9500 and 8220. Everything you need to know about OS 5.0 features, you can read on BlackBerryCool. You can found different beta versions of OS 5.0 on Crackberry but keep in mind this is NOT an official release and as such is not supported by RIM or your Carrier.