As a caveat: my first character (a holidin) is a blacksmith. And i've been known to grype about how blacksmithing is lame.
Anyway, I was looking at Weight/Sharpening Stones earlier. I know that most people don't use them in raids due to shaman totems overriding them. But i was looking at them for soloing anyway. While looking at them I noticed something i have overlooked forever: The runes of warding:
http://www.wowhead.com/?item=25521
This is so awesome for tanks!...