CPU is only at 1, 5, 9% usage. Still have a GB of free RAM (of 4GB).
No real page swaps. I'm beginning to think it is the server used to
farm out the audio. Thanks for checking. I'll try IE later while the
show is still on. Win7 SP1 -- a lean machine, minimum apps.

try this
http://www.thesycon.de/deu/latency_check.shtml

this checks the latency ___within your machine____ not the network

Google various ways to reduce the latency and try them

Mark