I've been messing around with different triggers in my builds but I have to say so far for the price the Timney 667S at 3lbs is pretty fucking sweet! no creep, it breaks nice and crisp and for under $200 it's a great upgrade.
Timney 667S AR-15 Small Pin 3lbs Solid Trigger
Timney 667S AR-15 Small Pin 3lbs Solid Trigger