Yeah, it's a smidge better than it was before, but I think we're at a growing pain. And you know who's doing an awesome job combatting the bidbot urges? @fulltimeangel. He's got a ton of SP and is going around voting on quality users who are putting out great stuff regularly, and not using bidbots. He is basically rewarding people for not bidding. And at first I was like, Um good luck with that.
But now that I'm getting his votes, and I see his daily trending page, I'm like, "Oh, I better not use a bidbot cuz I won't get a vote from him!"
It's working in a small neck of the woods. So that's the kind of thing you may want to line up with...rewarding positive behavior.