A. we can get to your amory page from the details to the left of your post.
B. You won't be raiding for another 20 levels as, even if you'r interested in seeing old content, you won't find a group top go with, unless there are some higher level toons running it. In that case it won't matter what your spec is.
C. Read the threads in this forum. The already have the answers to your questions in them