Boardwatch - http://www.boardwatch.com/
A magazine that is on both online and print formats. Provides articles relating to ISP's and internet usage.
Mythic Beasts - http://www.mythic-beasts.com/
UK based and provides shell accounts as well as a range of other hosting services from basic to servers and domains.
VoltShells - http://www.voltshells.com/
Provides many different hosting options but mainly focuses on shell hosting for UNIX including eggdrop.