It's not just Atari stuff at CSIP, you'll also find The Unexplained - a page covering the paranormal, and Colin's Homepage - the personal homepage of Colin Polonowski.
The Atari Times homepage has all you need to know about the popular disk magazine as well as all the facilities for joining the Atari Times mailing list. You can also read and download the latest issue - there are also some back issues available for download.
Croft Soft on the 'Net has the latest Atari news - added as we get it, as well as information on all Croft Soft releases. There is also an impressive list o' links for you to visit...
CSIP can be found at http://www.users.zetnet.co.uk/polonowski/. Make sure you add it to your hotlist :)