got jb 4.55 - works fine. should i update to 5.05?

Yo,

I got 4.55 working fine.. but to play GoW I was thinking to update to 5.05 ..

But im scarey cat. .like, does it work as good as 4.55? What troubles may I face? Can I play all games on 5.05 as I can on 4.55?

All people who upgraded please share your experiences??

Love,
Stephanie