Yeah, from what I've read ~500 res all is preferable. You could probably stand to lose a bit of vit, but it doesn't hurt to have a lot. Primarily right now you are suffering from what WW described above. Vit and res all do need to be balanced to some degree.

And in regards to my previous post, I was emphasizing vit regarding wizards. As a wizard, I get res all from my int, so it isn't quite as important for me to get it on gear as for other classes.