Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
i only use the betas and never downgrade to the current release. i have been on 6.3 beta for months and yes its as good as a final release. in fact the latest beta that came out about a week ago will be the final release iirc.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.