On 10/2/08 12:54 PMOct 2, "Jack" wrote:

Comcast has just announced that it will no longer offer free newsgroup
service as of october 25th.

Where have you been? This was on Comcast's web site about two weeks ago.

Can anyone reccommend a free newsgroup
service?

Start by looking in the appropriate newsgroup - alt.online-service.comcast.
This topic has been discussed quite a bit with a number of suggestions for
other NNTP services.