I made a new post in Southwest forums but should of just made it in this thread instead because eventually that'll roll off and be lost.
I found a source for walnut blasting in the greater Phoenix area and recently had mine done and it made a world of difference.
http://www.e90post.com/forums/showthread.php?t=882990
If you need it done and would like his contact information let me know. There's nothing in it for me so just passing the good word