[Faerie]

I use Duxa. It's great for a few reasons...

Inventory next to hotkeys for easy swapping of weapons/shields/instruments and easy clicky access. Spells show their names instead of just an icon and number, to make it that much easier to know exactly what you're casting and have memmed. Percentages of hp/mana, and a simple number indicator for mana and hp to help time server ticks. HP bars change color as you and groupmates lose HP, which is great if you're a healer.