Ok if they gonna do levels they also have too include a system kinda like Everquest 2 where your level and gear get scale down if you team up with a other player to help out... this will keep the game enjoy full for the lower level friend... like he/she still will can feel useful in combat, there is noting worst them a friend high level helping you cutting true anything you not getting good xp/ratings and so on and just standing there bored looking your high level friend having all the "Fun".