The Penny Arcade guys
raved about
BTMod for Oblivion (for the PC, obviously) so I thought it might be of interest:
Improve many aspects of the stock Oblivion UI
Increase the amount of the Inventory, Magic, Container(Looting), Repair and Alchemy Ingredients listings to 12 or higher
Increased area to view Local and World Maps
Increased area to view Quests and Journal
Increased area to view Skills, Factions and Accomplishments
Added percentage display to HP/MP/FA display
Added Durability status under the Weapon Icon on the Main Hud
Enabled and cleaned up Spell Effect durtation timers
During Custom Class Creation, increased the size of the enterable name
Mapped Arrow Keys to various Menu buttons
Download.