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

Stamina
Charisma
Intelligence

Tactics
Trading
Performance
Appraisal
Mechanical Lore
Scholarship
Enchanting
Alchemy
Outfitting
Engineering
Forging

Outdoorsmanship
Locksmithing
Perception
Athletics
Evasion

Warding
Arcana

Light Thrown
Staves
Crossbow
Parry Ability

Brigandine
Chain Armor
Light Armor
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

How will the slot for "mechanical lore" be revised once all of the crafting skills/systems are released?

If you obey all the rules, you miss all the fun.

Moriath