Trying to determine which trinket to keep. I'm under the impression that Unerring Vision sucks.
Wushoolay's Final Choice (502)
http://www.wowhead.com/item=95669
1218 Hit + 1107x10 Int Stacking Proc
Cha-Ye's Essence of Brilliance (502)
http://www.wowhead.com/item=95772
1218 Crit + 6088 Int for 10s
Unerring Vision of Lei Shen (502)
http://www.wowhead.com/item=95814
1218 Int + 100% Crit for 4s
Breath of the Hydra (502)
http://www.wowhead.com/item=95711
1218 Haste + 6088 Int for 20s
I assume this tops them all, as the other trinket
Volatile Talisman of the Shado-Pan Assault (522)
http://www.wowhead.com/item=94510