Comp.sys.amstrad.8bit
From CPCWiki - THE Amstrad CPC encyclopedia!
Commonly known as 'csa8', this newsgroup is devoted to all Amstrad 8 bit machines, including the PCW range and GX4000. Most traffic is CPC-related.
Traffic on this newsgroup seems to go up and down in an unpredictable manner; sometimes days will pass by without a single message, sometimes there'll be several messages within the same day. So don't ever assume it's dead - it's merely resting.