I would prefer no level cap raise at all. If you want new jobs introduced go ahead but why not use the existing classes or create new ones to do it. What's the point of making a bunch of achievements for level 50 only to just raise level caps in a few months or a year?

I do want new content but why not do it through new dungeons, raids, gear? Don't just make everything you currently worked for worthless then raise the cap so you can do it all over again.