I haven't heard any of these, and this thread led me to take a peak. From their site:
Most analog signals are converted to digital using PCM, which samples the signal 8,000 times per second! Stereo tracks in PCM are in 96k/24bit and deliver high fidelity stereo from any DVD player. Audiophiles unite!
8khz?? What the heck are they talking about???
See it
here