This popped up on Amazon recently, but now there are some details:

THE JACK KIRBY OMNIBUS VOL. 1 STARRING GREEN ARROW HC
Writers: Various
Artist: Jack Kirby
Collects: Stories from REAL FACT COMICS, HOUSE OF MYSTERY, HOUSE OF SECRETS, TALES OF THE UNEXPECTED, MY GREATEST ADVENTURE, ALL-STAR WESTERN, ADVENTURE COMICS and WORLD’S FINEST COMICS
$49.99 US, 304 pg, on sale July 2011

This should be every bit of Kirby work for DC in the 1950s other than the already twice-reprinted CHALLENGERS run, plus a handful of pages from REAL FACT in the 1940s. Very good stuff, a lot of it never reprinted before.