Stop posting your desires for low end torque in a CENTRIFUGAL supercharger thread... Not going to happen.
A centrifugal sc develops boost slowly and linearly reaching max by redline. This is the nature of the beast. This is not a positive displacement blower that you see on most mustangs/camaros/corvettes. There are two companies developing positive displacement blowers for the FT-86, TRD and Innovate. Those will give you low end torque as boost is maxed in the low rpms. Flow and heat become a problem in the higher rpm range
usually depending on how efficient the blower is and how hard you are pushing it.
Look at this graph for the characteristics of a Centrifugal SC on the FT-86 (Vortech on Perrin's car). Pay special attention to the torque curve. Linear and inclined rather than flat.
Here is the boost curve. Linear.
You can expect similar characteristics from the HKS unit.
As to which is better. Its subjective. Some people love that ever increasing torque as they climb the revs. Some people want it right away and flat.