Ouch man! Those are the kind of pictures that tend to come with a much worse end result than worrying about spinal surgery! Glad you made it through that one...
Here is a good overview read available to the public for "free." There is a very good possibility that you have read it yourself already, but in case you haven't:
http://emedicine.medscape.com/article/1343720-overview
http://emedicine.medscape.com/article/322604-overview
I did research on spinal fusions in med school for a couple years. I would say it is one of the least predicable of all surgical outcomes that orthopedic surgeons/ neurosurgeons attempt. When it's good it's great, when it's bad it's pretty awful. A couple things to consider are that, yes, a surgeon who has done a procedure many times is good at that procedure, but the most modern approaches are in the hands of young surgeons or big training programs where research dollars are the highest. Everything from the shoulder up is what I would call "very expensive real estate" and the best procedure is usually the one that is the least invasive. Just a thought...and best wishes on the road to recovery!