Joey Sue, that's good advice -- thx for posting.
Jason, I would stay away from Stenum for lots of different reasons! Here are two (the first topic is composed of many past topics), the last one explains their unethical marketing which forced me to hire a lawyer (which I paid out of pocket):
http://www.adrsupport.org/forums/f49...utation-10308/
http://www.adrsupport.org/forums/f51...ngement-10330/
Also, a "hybrid" procedure may also be another option more attainable in the states, it means a combination of fusion and an artificial disc replacement. Do some searching within this community, there's over six years of post-operative experiences here. Use the search function, there's an advanced utility too.
I hope this helps get you started...