1. Group-matching tool, like a Dungeon Finder
2. The option to choose high-resolution textures
re: 1., it's just not efficient to try grouping for Flashpoints while levelling. In the time it took to find a party and actually start an FP, I could've gained a level or more by doing solo quests and mob grinding. Or if I really wanted, PvP.
And for #2, respectfully, my computer is more than capable of running whatever texture resolutions the designer could throw at me. At least give me the option of turning on the high textures that were present in beta. Warn me in big red letters: "This may make the game unplayable," but for Pete's sake, let me try!
I'm sure I'll be back in a month or six when both of these options are in the game. It's inevitable and just a matter of time.