She'll still have to do a bit of 60 content to transition from 3.x to 4.0 once Stormblood is released, but it is far less than 2.x MSQ. It will just make it easier on her to have her bard soul stone so people don't give her crap over it. :3

Unfortunately you guys are on a different data center, because I wouldn't mind just taking you guys through the dungeons as you reached them to make it as quick and as painless as possible. XD But hopefully you guys have a nice FC to help you guys out with the necessary content clears.