(or please un-nerf greater banes, lol. 7-22 dam vs 4-24 dam, might not seem like a lot, but factor in the extra 100 dam/vorpal, and why would anyone use greater banes? in addition to banishing replacing all outsider and elemental banes, they also work on dire monsters)
BANISHING
Banishing weapons are baneful against extraplanar creatures, dealing an additional 2d6 bane damage, and an additional 1d6 damage per critical multiplier on confirmed criticals. In addition, on a confirmed natural 20 the weapon banishes the creature it if it's below 1000hp, or does and additional 100 damage if above 1000hp.
DISRUPTION
Disruption weapons are baneful against undead, dealing an additional 2d6 bane damage, and an additional 1d6 damage per critical multiplier on confirmed criticals. In addition, on a confirmed natural 20 the weapon destroys an undead it if it's below 1000hp, or does and additional 100 damage if above 1000hp.
SMITING
Smiting weapons are baneful against constructs dealing an additional 2d6 bane damage, and an additional 1d6 damage per critical multiplier on confirmed criticals. In addition, on a confirmed natural 20 the weapon shatters the construct's body instantly killing it if it's below 1000hp, or does and additional 100 damage if above 1000hp.
VORPAL
Vorpal weapons cut with magically enchanted sharpness dealing an additional 2d4 slicing damage to targets that are vulnerable to bleeding, and an additional 1d4 damage per critical multiplier on confirmed criticals. In addition, on a confirmed natural 20 the weapon severs the opponent's head from its body instantly killing it if it below 1000hp, or does and additional 100 damage if above 1000hp.