
Sarrah |

Fighter: Dragoon picks up skill focus (mount) AND mounted combat at 1.
Fighter: Unarmed Fighter picks up "An unarmed fighter is proficient with all monk weapons, including exotic monk weapons." -- this is 17 exotic weapon proficiency feats. In addition, they get Improved Unarmed Fighting AND any style feat "The unarmed fighter need not meet all the prerequisites of the style feat he chooses" at 1.
[Exotic Monk Weapons: Knuckle Axe, Kama, Nunchaku, Sai, Siangham, Shuriken, Dan Bong, Emei Piercer, Fighting Fan, Nine-Section Whip (best weapon in game for most classes), Temple Sword, Bo Staff, Double-Chained Kama, Kusarigama, Kyoketsu Shoge, Seven-Branched Sword, Rope Dart]
Magus: Spire Defender picks up "as well as one exotic light or one-handed melee weapon [proficiency] that has the disarm or trip special feature." AND Combat Expertise AND Dodge at 1.
Choose 1:
[Exotic light and 1-handed melee weapons w/ disarm or trip: Swordbreaker Dagger, Flying Talon, Kama, Scorpion Whip, Hooked Axe, Khopesh, Whip, Sai, Tekko-kagi, Nine-Section Whip (best weapon in game for most classes), OR Temple Sword]

Sarrah |

Monk: Sohei "A sohei may select Mounted Combat feats as bonus feats." AND "At 1st level, a sohei can always act in a surprise round"
Mounted Combat feats: Mounted Combat, Ride by Attack, Indomitable Mount, Massed Charge, Mounted Archery, Mounted Onslaught, Mounted Skirmisher (best feat for a 1 level dip), Mounted Shield, Trample, Trick Riding, Unseat, and Wheeling Charge.

aceDiamond |

Sorcerers get Eschew Materials.
Witches could use their 1st level Hex to get Cauldron, which grants them Brew Potion.
And if your GM gives you the option and uses 3pp, then you could pick up a major drawback for an extra feat.