I have to agree with the above statements. Got on today to test out the system, was ecstatic about some parts, and then got punched in the nuts.

The new battle system is awesome. Play now feels continuous and well put together.
Haven't gotten to the dungeons yet, but Dungeons, Chocobos, and Settlements oh my.

Then of course I got slapped in the face.
Leves, behest, and grinding are now all about equivalent, and all worse than grinding before due to the heal mp increase, which is disgusting. Spent 4 hours today, got from the beginning of 20 to the beginning of 21. I would have been halfway through 23 in the same amount of time pre-patch.
Party play is also now annoyingly difficult not due to a lack of skill, but because it is impossible to expect a single tank to tank 3 mobs at the same time, and since the healers can only heal one person each, well.........

anyways, my highest class is Lancer 38, and I'm obviously not going to get to 45 to enjoy that dungeon anytime soon. Then with archer at 21, I'm wondering if I should even bother leveling it since it will simply be tedious grinding, especially since behest now has a personal reset time of 1 hour.