I'd like it if the names and hp bars of my character and all party members could be turned off, but the hp bars and names of everyone else could be turned on. This would make targeting with a mouse so much easier. The names of my character and my party members tend to get in the way when I'm trying to target an enemy. If I need to target my character or a party member, I can always click them in the party widget or click my character's own HP/MP/TP widget. For the time being I'm playing all-keyboard except for healing because I can find the enemy faster using tab or the arrow keys than I often can by clicking.

I'm all for implementing this only as a text command in order to get it out there sooner. Don't worry about a GUI for it.