-Buy ilv510 items from Marketboard for the class you want to play in EW.
-Prepare lv70 poetic gear for reaper/healer if you want to play these classes. Get Maiming/Healing set, specifically.

-Cap 2,000 of each type of tome, as you can convert allegory and revelation to poetic later.

-Empty your leve allowance with coffee biscuit level. Don't need to craft. You can just buy HQ ones from marketboard, and it is still profitable. Require a lv78 culinarian, though
-Finish Gold Saucer's weekly challenge log.
-Finish a wondrous tail book next week but don't turn in, so that when EW launches, you can instantly gains half of a level bar for your class of choice. Do the book again on the launch week and get another half of the bar.