Will most of these be gem-store items, rare drops, or in-game currency obtained?
Thank goodness for A.Net’s ability to drop pieces of upcoming updates within the game’s files for other people to find.
http://raidwarning.com/over-150-icons-data-mined-from-guildwars-2/
The biggest ones to note:
-7 icons indicate a basketball mini-game
-Dozen+ indicate drinking game (probably Belcher’s Bluff)
-5 icons indicate kite flying (including 1 guild one)
-3 icons indicate a red, blue, and purple Aspect back items (confirmed already)
-1 icon indicates a new pet-pack
-3 icons indicate Quaggan
-2 icons show new potions
-Dozen+ show new Zenith achievement weapons
-2 or 3 seem to be new Coffers (yay?)
-3 icons for Radiant armor and 3 icons for Hellfire armor (confirmed)
Oh, and some more info backing it up: http://www.reddit.com/r/Guildwars2/comments/1h1vve/kites_dragons_flutes_and_more_from_the_dat_file/