JLA Wedding Special - First, yeah, could've just been an oversized issue of the regular series. Second, it was fucking fantastic. I said somewhere else that it is more or less the "Sinestro Corps Special" for the Justice League.

Green Lantern #23 - Most of the Guardian stuff still bores the hell out of me, and there's some pretty hokey dialogue from some of the "cooler" Lanterns. Everything else though was great. This is really building up to be an epic.
Spoilers:
And it's really moving quickly, the Lanterns have sprung Ion, the Anti-Monitor joins the fight, (and for once is pretty scary)


And that ending! My god, I have never felt like the heroes of the DCU were so totally fucked.