Turbotech Boost Controller
Cost:
$22
Pros:
Cheap, Concealable, Works Well
Cons:
No control over GAIN etc that you get with a good EBC
Also found that it dropped boost at higher PSI levels
Hybrid Dual Stage Electronic Boost Controller
Cost:
$250
Pros:
Cheap, Easy to Install (kinda), Easy to Use
Cons:
No control over GAIN etc that you get with a good EBC
Does not monitor boost levels and compensate for drop off
Nothing more than a electronic solenoid
Experience; could not hold 1 bar, kept dropping a good 5PSI
Greddy Profec E-01
Cost:
$630
Pros:
Feature Packed; Complete Control; Large Display; Remote Control; Data Logging; Custom Boost Monitoring
Cons:
Trying to find a place to put that screen and running all the cables neatly... (mission and a half this was)