This is my best layout yet. Download:
Xpadder Layout for PS3(360) Controller
PS3(360) Buttons:
Buttons 1:
START - (tap) Esc: Escape/ Game Menu (hold) C: Character (hold longer) Alt+Enter: Fullscreen
SELECT(Back) - (tap) Alt (hold) K: Skills
L1(LB) - Right mouse button: Block
L2(LT) - Hold for buttons 2
L3(LS) - CTRL: Crouch/ Sneak
L-STICK - ASDW: Move
R1(RB) - Left mouse button: Attack
R2(RT) - Shift: Sprint
R3(RS) - `: Swap Weapon
R-STICK - Mouse: Camera
TRIANGLE(Y) - Space: Jump
SQUARE(X) - 1: Ability 1
CROSS(A) - 2: Ability 2
CIRCLE(B) - 3: Ability 3
D-PAD UP - H: Horse
D-PAD DOWN - (tap) Tab: Switch Targets (hold) Y: Command Pet
D-PAD LEFT - X: Synergy
D-PAD RIGHT - E: Activate/ Interact with Environment
Buttons 2:
START - (tap) J: Journal (hold) G: Guilds (hold longer) L: Alliance War
SELECT(Back) - (tap) M: Map (hold) P: Group (hold longer) N: Notifications
L1(LB) - Right mouse button: Block
L2(LT) - Blank (Held Button)
L3(LS) - T: Toggle Quest (Recommend binding to Wak/Run)
L-STICK - ASDW: Move
R1(RB) - Left mouse button: Attack
R2(RT) - Q: Quick Menu
R3(RS) - Z: Draw/Sheath Weapon
R-STICK - Mouse: Camera
TRIANGLE(Y) - Mouse Button 5: Dodge/ Roll (Bind in controls menu and turn off double tab dodge)
SQUARE(X) - 4: Ability 4
CROSS(A) - 5: Ability 5
CIRCLE(B) - R: Ultimate
D-PAD UP - Mouse Scroll Up
D-PAD DOWN - Mouse Scroll Down
D-PAD LEFT - F: Activate/ Interact with Player
D-PAD RIGHT - (tap) I: Inventory (hold) O: Contacts (hold longer) ': Mail