examples: AA get club skill for smashing - only AA and Neidar (

some layman guilds you can boost a little:
blademasters for better battack or knife+sneak/hide skills for thieves or militia (polearm skill for jabbing)
some laymans boost might turn out to be impossible to notice without numbers and tests (*nudge Petros*):
EW, minstrels, necros, Heralds ... pirates? KoT? monks (*nudge Booger*)?
on the other hand you can't boost SOME of the layman guilds with mercs AT ALL
examples: SB
too much wizinfo/testing included to verify which guilds' specials/spells depend on which skills most ... and mercpay for them
btw. I voted Hell yeah! Please twice! - would finally allow for pure ME-Ranger-life without complete blowing