I've climbed Wotan's Throne a fair amount. The south face is a great climb; the northwest arete is more like steep class 2 than 3. Here's a picture of the south face:

That day we went up the south face and down the northwest arete. The rest of the pictures are here, but I didn't take many of the descent:
10 October 2009 Wotan's ThroneFor another trip up the northwest arete, see this album:
28 August 2010 Wotan's Throne