I've been playing with Ranger multi-class builds and here's one I cooked up with Monk in mind.
32-point Elf
Lawful good
Ranger 14(15)/Cleric 2/Monk 4(3)
Str 14
Dex 18 + 5 enhancements + 3 levels = 26
Con 12 + 2 favor tome = 14
Int 10
Wis 14 + 1 enhancement + 1 level = 16
Cha 10
selected feats:
Weapon Finesse
Point Blank Shot
Weapon Focus: Ranged
Mental Toughness
Improved Critical: Ranged
Improved Critical: Slash
class feats:
Turn Undead
Bow Strength
Favored Enemy: Undead, Construct, Elemental (Evil Outsider if taking Ranger 15)
Wild Empathy
Rapid Shot
Two Weapon Fighting
Diehard
Manyshot
Improved Two Weapon Fighting
Improved Wild Empathy
Evasion
Precise Shot
Improved Precise Shot
Greater Two Weapon Fighting
and whatever class feats 3 or 4 levels of Monk grant you.
Enhancements:
Elven Dex 1 & 2
Ranger Dex 1, 2 & 3
Cleric Wisdom 1
Ranger Item Defense 1
Elven Enchantment Resistance 1, 2 & 3
Elven Ranged Attack 1 & 2
Elven Ranged Damage 1 & 2
Follower of the Silver Flame (whatever the Cleric +1 to attack with Longbow is called)
Ranger Favored Attack 1 & 2
Ranger Favored Damage 1 & 2
Ranger Favored Defense 1 & 2
Ranger Favored Resistance 1 & 2
and some Monk enhancements
EDIT:
I forgot to add Arcane Archer 1 thru 5 to the enhancements