Quote Originally Posted by CrystalWeapon View Post
I've played with this feature since 2004ish in xi, I don't need to wait and see to know how it works.
Actually, a lot of changes are made with long term in mind, and we don't know what else is planned because every time they make a change it's specifically for the purpose of another mechanic change they're going to implement.

It worked fine in FFXI unless you somehow had a PC that couldn't run the game or your system was wearing out to the point you didn't realize you moved. (Trust me, there were almost no complaints about how to interrupt spells in XI, the main complaint was mobs being able to interrupt you with a petty hit at lower levels.)