I got a pile of marking so big it makes Oprah look like Rudy Huxtable.*
I think it may be time to employ the "stair method" of marking... find a set of stairs, huck the pile of papers down 'em, and they're graded on how far they make it.
(Naaaaaah... I'm not an English teacher. Heyoooooo!!!!!)
* I've said it before and I'll say it again: she's turned out really well.