Owens Corning 703 vs. Roxul Safe 'n' Sound?


I'm going to make some sound absorbing panels to place on the wall behind my listening chair. Owens Corning 703 and Roxul Safe 'n' Sound rigid boards are two choices to make them with. Anyone have experience with both, or even one?
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Black Joe Lewis is playing there (Mississippi Studios) soon.


I would like to see Vintage Trouble. Wish they would get back from Europe and do a string on the west coast. 
I use ATS Acoustics. Fortunately I live in Illinois and travel there to avoid shipping. Easy to build ones own panels.

Thanks everyone. Home depot sells and stocks the Roxul 3" Safe 'n' Sound in a 12-pack of 15-1/4" x 48" panels for $46.27. Such a deal! Lowes sells them in the 24" width, but with a three package minimum. WAY more than I need.

Here's another question: Should I try absorption on the rest of the back wall (behind the listening position), not just directly behind my head?