Specialicist mage bonuses/penalites

What's the final consensus on saving throw bonuses / penalties, every source of information I've seen is conflicting 
Is charm more effective for an enchanter?
Is blind scarier from an illusionist?

Is charm more effective for an enchanter?
Is blind scarier from an illusionist?
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Comments
Specialist mages in BG get a bonus spell slot that can be used to memorize any spell provided it's not from a barred school.
They get a bonus slot every spell level, a barred school and that's about it, there's no other bonuses/penalties unlike pnp.
Good to know that's not the case, as it will make choosing a "kit" easier, thanks!