+1 for "Turn the other cheek"

Very well put. I'm a big fan of (a), particularly when it comes to online abuse, but I will freely admit that's probably a function of my "online upbringing" consisting principally of BBSs and heavy IRC[1] usage. And as anyone who spent a good deal of time on those can tell you, those mediums had/have a lot of trolling -- to which the "turn the other cheek" response usually works beautifully.

[1] I'm not talking Freenode here either, as folks there are generally civilized. I'm thinking more of some of the, uh, less-well-focused parts of DALnet and EFnet.