Brand New HKS EVC 4 silver, new in the box, here are the features: EVC IV - Silver features

Peak Boost Hold Memory Function
Adjustable up to 2.5bar (36.25psi)
Real time Digital Boost and Vacuum Display
White-Colored Backlit Liquid Crystal Display Screen
High and Low Boost Preset Levels
Scramble Boost feature
External Scramble Boost Trigger available
Visual and Audible overboost warning feature
Internal and External wastegate applicable
Precision “closed-loop” boost regulating stepping motor
Fuzzy Logic Programming will learn natural boost curve and optimize it.
Flash Memory
Limited Edition Silver Colored Casing

Will sell for $450 OBO

Good Morning SoCal! Glad things are cheaper now.