PS3 alternative OS

[Sony.Com]

Hey,
As any PS3 owners know, you can have an alternative OS on the PS3. Has anyone tried this yet?

If so post it please and if you like it and all:)

Thanks
Joz104

[You]

:( I don't have one yet *+*Cri*+* - gotta wait for it to be released in the UK.

[Sony.Com]

Order it online?