Since editing is the thing I am currently stuck on, I thought you might appreciate a few links I found while I was
UK vs. US spelling: Come on, I know I am not the only American here.
EditMinion: I have not actually tried this, but it supposedly finds common mistakes.
synecdochic's Writing Meta has a lot of advice on various subjects, including editing.
And, finally, I have the feeling I've linked to them before, but if you're writing in Word or OpenOffice (or you at least have OpenOffice), and you plan to post your story as HTML rather than Rich Text (more information on posting is forthcoming), astolat's formatting macros will convert your bold/italics and so on to HTML. It is a wondrous time-saver.
So what's up, everyone?