comics.pl is a CGI script that generates a single HTML page containing the newest strip for many online comic strips. It handles PvP, User Friendly, Robotman, Dilbert, Over The Hedge, Red Meat, Liberty Meadows, Fox Trot, and many others. It's customizable; you can select which comics you want to read.

See http://www.people.cornell.edu/pages/pnf1/comics/.