I've gone through and systematically re-balanced SoI for all guilds using actual formulas and stuffs. Here's the final list for Clerics:

Wisdom
Charisma
Discipline

Performance
Appraisal
Mechanical Lore
Scholarship
Enchanting
Alchemy

First Aid
Perception

Theurgy
Sorcery
Warding
Utility
Debilitation
Augmentation
Targeted Magic
Arcana
Attunement
Holy Magic

Melee Mastery
Polearms
Staves
Slings
Twohanded Blunt
Large Blunt
Small Blunt
Twohanded Edged
Large Edged
Small Edged
Parry Ability

Shield Usage

-Raesh

"Ever notice that B.A.'s flavor text swells in direct proportion to how much one of our characters is getting screwed?" - Brian Van Hoose