I decided to make an Aggro Meter that resembled the one used in EQ2. I have had several people test it out and seems to work really nice. In EQ2, the fire would fade-in, but EQ1 doesn't have that option, so instead, the more fire you see, the more aggro you have.
The top number is YOUR aggro
The NPC name is the one you have targeted, or that of the group assist has targeted.
The Player name under it is the person who has the most hated aggro, or if you have the aggro, is the person after you.
The percent under that is the aggro percent of the most hated aggro.