Are you sure about that, Spin? Isn't that one of the effects they redid for DirectX 8 and to take advantage of WDM drivers?
OK, I looked at the website, you are indeed correct...
"SONAR features fully automatable DSP-FX by Power Technology including StudioVerb (Reverb), Parametric EQ, Delay, Chorus, and Flange...
"SONAR provides additional 32-bit, real-time effects. These non-automatable effects include Compressor/Gate, Expander/Gate, Limiter, Tape Saturation, Amp Simulation, Pitch Shifting, and more."