Resilience will still work in PvE come wrath - but the goal is to itemize better, so that Druids (and shamans *cough*) dont need resilience to tank instances.
Mind, that still probably means that PvP is the easiest way to become crit immune pre-Nax.
Druids: Transform into cool-looking animals that impress other players and add a lot of character, flavor, and humor to the world.