Older 2000 A.D
Featuring Strontium Dog, Stainless steel rat (Created by Harry harrison whose book series really shines beyond the comics) and of course, Judge Dredd - i think you can find reprints pretty cheap these days-
They also compiled the Apocalypse Wars (Dredd) into a great Book:
http://www.amazon.com/Judge-Dredd-Ap.../dp/1840238151