Re:Yep (Score 1)

Bull's Strenght and Cat's grace should last for hours, not minutes.
That line of spells were probably the second most over-powererd (read: broken) spells in 3.0 (after Haste). No 2nd level spell should replace an 8000gp item. If you want a permanent stat buff from a spell, take the "Persistant Spell" feat (from Tome and Blood - it will probably be in Complete Arcane too), and cast your 24hr buff as a 6th level spell.

That and not Bards can't have Mage Armor
But they ignore arcane spell casting failure in light armour, which more than makes up for it