Veneretio over at TankingTips.com posted a great article about the Deep Wounds Protection spec for Warriors. Rather than simply linking to a talent calculator, Veneretio describes the points in the spec where choices are available.
Although nothing in the article was revolutionary, having an experienced voice walk through the talent tree was very valuable to me. I think you should read the article and check TankingTips.com regularly (it's in my Google Reader).
For reference, here is my intended proc spec, in the form of a simple link to a talent calculator.