Will try to refrain from asking for things I know will come so:
* New classes/jobs that is a mix of old Xi jobs and some new ones like for example: red mage, thief, ninja, time mage, cannoneer, beastmaster, summoner, chemist, chocobo knight and a magitek user of some sort!
* The abolishment of weapontype = class. I want to be able to mix and match depending on level and situation, not be locked in to one weapon at all times.
* Gear swaps would be nice, but I doubt it will happen. As was stated in the OP the way they did it in XI with too short and complicated macros is a bad way of doing it. If they introduced a system with drag and drop items for certain casts/abilities and allowed people to lock in a certain look (so they don't blink whenever they swap gear). I think it would be great for versatility and for the ability to work and focus on different sets instead of just getting that perfect 1 set in a couple of weeks and be done until the newest expansion comes along and outdates all of your gear again. Doesn't have to be like in XI, but a mix between that and the "new" idea all mmos have that new expansion and new dungeion = outdated gear, would be nice.
* More variety in mobs and their behaviour. Give the different families different moves that actually effects how you best engage them.
* Non-instanced content
* Level sync and I guess a slower exp rate or something because it is completely pointless to get new gear until you are 50 simply because you blow past the levels at too fast a pace. Might be some other solution of course, but so far this is the one I can think of.
* Mini games: Chocobo breeding/racing, card game where I can actually get cards from mobs/NM's.
* I want more interesting maps (I know they mention this will be in 2.0 but still). I want to get epic quests from people outside of regular cities, give me a small cottage out in the middle of a HUGE forest or w/e that gives me a quest with an awesome reward and that type of stuff. I want to be able to explore and run around and find COOL things no matter where I am in the world, I want to be surprised and amazed. I want the world to feel big and alive which atm it doesn't at all to me. Also, take away the ability to teleport all over the world... at least to the extent it is possible now.
* More variation in endgame content. Instances are fun and cool give us more of those, but all should not be in a cave and on a timer. Also it should not be more or less the only endgame content there is (together with primals)... give us more and different things to do! Give us fights in the air and on boats, give us HNMs and smaller NMs that don't pop immidietly after you kill them, give us HUGE instances, small instances, colloseum where you face NPC mob and try to get as far as possible, give us solo instances that are super hard to solo unless you are well equiped and good at soloing but you can still only enter solo (gear drops might be only good for soloing or w/e)... just give us more variety overall.
I am sure I forgot so many things, but I guess those are the ones I want the most.