So, If I understand, this allows you to experience all facets of the ground portion of P including entry to the La Premier lounge, if you are on a flight with no P class.
Do you believe it's worthwhile ?
Thanks for the information and congratulations on post 10,000 (possible as the answer to this!)
(edit: Nevermind, I'm late! I see you surpassed it on the RER post. Cheers!)