oldhead wrote:
Does this mean that if I use an interface capable of a 192kHz sample
rate, the quality of my final track will be determioned by the sample
rates of any plug-ins or DSP effects I use?

I believe software effects adjust for sample rate. However, running an
effect (or a DAW generally) at a higher sample rate burns more CPU,
which may limit how many tracks with how much processing you can
actually handle.