which intercooler shall i choose?

OK i have 3 choices here for an intercooler and im wodering which one is the biggest bang for the buck. Map engineering $999, Intense racing $649, or zpp short stack $549. Im looking for cost effective quality i guess you could say. 99 gtp, CAI, 3.4 pulley, TB spacer, U bend delete, want to go to 3.25 pulley with 0 KR is my goal. Please post any suggestions. thanks