There is a guy on reddit who claims to have figured out how to predict Xur's inventory, as well as the nightfall modifiers. I dunno if it will last, reportedly bungie has already contacted the guy. Anyway, here is his post from 6 days ago, accurately predicting what Xur has. [url]http://www.reddit.com/r/DestinyTheGame/comments/2xcqj7/discussion_xurs_stock_and_nightfall_mods_for_the[/url] If he is right, he will have a max stat roll crest of alpha lupi (hunter) next week.