An Angel who did not so much Fall as Saunter Vaguely Downwards

Well, I just finished reading Good Omens (for the second time... sorft of. For some reason, I stopped reading when I'd only had about 90 pages left). Excellent book. Extremely funny and very easy to get addicted to!

...but the last page made me feel all melancholy, what the hell. o.O

Does anyone have any fic recommendations? Any genre. I freaking loved all the characters.