4 out of 5 rating for Speed Xtreme (80 servings)
I'm not a huge fan of DAA in pre-workout products, so I wouldn't use this unless it were a part of or in place of the DAA in a cycle I was planning to run. That said, it's a pretty simple ingredient profile, but I had a few very good workouts when using it. I haven't tried the updated version without the 1,3 dmaa, yet, but if/when I do, I'll provide a review for it, as well.
This isn't the best pre-workout out there, but it was cheap and did give me some great energy/focus.