Replacement for 9800 Pro is...

[First of One]

No, what is causing it is the fact that many ISP's are dropping binaries
groups off of their servers due to the unbelievable amount of bandwidth
required to serve the 100+ gigabytes of unwanted warez and crap flooding
their
servers daily.

Unwanted? Posting in the warez groups is always based on demand, often made
in a subordinate discussion group or over IRC.

When a ISP goes to just text only usenet, the retention can be
up to a year in length.

....which isn't all that useful, since downloading a year's worth of headers
takes forever. Retention on binary groups is more important, because the
files are larger and take longer to download.