Hope this is helpful...
Grace (Book of Eldritch Magic 2)
This armor is flexible and easier than normal to move and stretch within. It has no maximum Dexterity score.
Caster Level: 5th; Prerequisites: Craft Magical Arms and Armor, cat’s grace; Market Price: +1 bonus
Greater Maneuvering (Book of Eldritch Magic 2)
The lightness and ease-of-use of armor or a shield with this ability reduces the associated maneuver penalty to 0.
Caster Level: 7th; Prerequisites: Craft Magical Arms and Armor, freedom of movement, haste; Market Price: +2 bonus
Maneuvering (Book of Eldritch Magic 2)
Armor or shields with this ability reduce their associated maneuver penalty by 2. Items with this ability are light and magically maneuverable and in the case of armor, extremely limber.
Caster Level: 7th; Prerequisites: Craft Magical Arms and Armor, freedom of movement; Market Price: +1 bonus
Nimbleness (Magic of Faerun)
This type of armor feels lighter and less restrictive than other armor of its type. While the actual weight is unchanged, the maximum Dexterity bonus increases by +2 and the armor check penalty decreases by 1.
CL 8th; Craft Magic Arms and Armor, cat's grace; Price: +1 bonus.
Superior Spellcasting (Book of Eldritch Magic 2)
The magic within this armor or shield is so potent, arcane spellcasters can use it with no spell-failure chance.
Caster Level: 17th; Prerequisites: Craft Magical Arms and Armor, mage armor, wish; Market Price: +4 bonus
Twilight (Book of Exalted Deeds)
This suit of armor, favored by eladrin spellcasters, becomes semi-incorporeal and translucent when donned. It also possesses a faint sunset-colored sheen. The twilight armor reduces the chance of arcane spell failure by -10%.
Faint abjuration; CL 5th; Craft Magic Arms and Armor; Price +1 bonus.
