Here's a great little blog piece by The WOD Life which will hopefully convince you to give it a go....
http://blog.thewodlife.com.au/10-reasons-to-enter-the-crossfit-open/
Whether it be the RX or the Scaled division...I highly recommend you all give it a go as there's nothing quite like the experience of your first (or 3rd) CrossFit Games Open!!
Sign up....don't delay - you only have 4 days left until it begins!!
https://games.crossfit.com/cf/login?returnTo=%2Fcompetition&flow=games