some more for the german speaking people here on the board :)
http://www.homecomputerworld.de/ for "Happy Computer" and "C64er" articles
http://www.kultboy.com/ for "Amiga Joker" "PC-Player" "ASM" and many more
http://www.longplayer.de for longplays from "64'er", "GO 64!", "ASM", "RUN"...