Just a though, don't know if possible.
 

It would be nice if on GK worn armor/items actually went into the armor/item slots instead of just a secondary image, that would save so much inventory room X_X lol

And the ability to hotkey gear sets, that would be nice and save hotkeys and just be very pleasant.

you can hotkey gear.

He means sets of gear. I made the same suggestion years ago. It would be amazing to be able to equip all of my Sparring, PK, Magic, or Speed gear sets with a single hotkey each.

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I would like to be able to hotkey movement

Can you not hotkey multiple items to the same button? I think I have the "/clear" command and my bile weapon hotkeyed to the same button, unless 0 is /clear by default.

easy, if you could use a subsystem that would hotkey hotkeys :P...

I'm not entirely sure. I've always wondered if there's some sort of hidden /equip command, being that it's possible to hotkey gear through the gui. If there were some sort of equip command, you could pretty much (tediously) key-bind it yourself.

Now that would be ideal!