These gears are maybe catering for the 'new player' more than older. So with this in mind is any gears maybe in the pipe-line that expands on current gears, I can only point out Creator vs Thief. Yes I heavily play and invest time into my Creators. Still mercs is divided into int-creator for damage and str-ws current gears highly caters for ws. Thief only need to cater for agi/str.
PS. all upgrades is welcomed.?I would advise a in-dept look at each class and see how it can be upgraded gear wise, then balance all additions of gears.