Hopefully this hasn't been suggested already (as I'm not about to read through 100+ pages to find out), but maybe the job jump potions shouldn't set their respective class/job quest lines as having been completed? The job and story potions are separate because not everyone who wants to have a job at 60 also wants to skip story content, and each class and job has a quest line and solo instances that can't be repeated later. Give people the skills from those quest lines, sure, but I think some players might enjoy the opportunity to play through those quests at their own pace, especially if they aren't required to do so to gain access to necessary skills and abilities.
Leaving those quests incomplete also prevents people from just buying titles, as all of the new job-specific titles, as well as the Grandmaster of War/Magic titles, are tied to the completion of job quests, rather than simply reaching level 60. Not everyone cares about titles and achievements, of course, but I suspect there are enough who do that this is something that should be taken into consideration. This would mean that players who choose to jump could still get those titles (and get to feel like they'd earned them) by playing the appropriate quests, and those players who leveled their jobs in the traditional way wouldn't feel like the titles no longer had value.
Just a thought.








