I've already got an idea for a post-HBP fic for you, complete with Snape angst and heroism ;-)

Holding hands with Tonks (grr) might have made her hair turn pink again, but I don't see it doing a lot for him...

Yes! Well said :-D

I love that Remus was bitten deliberately and that he actually had to go to live with the man who bit him when he went underground. HBP is Snape's book (what else, considering the title), but there also is much Remus stuff to work with. I fear he will be on the receiving end of all Fenrir-centred non-con, though :-(