I don't know the dimensions, but Todd had one at canjam, and it's pretty big. The box is the same for all of them, but the inserts change based on whether you get it for gs1000/ps1000/rs1/sr etc
I don't think mana was out of line. He suggested that he read the welcome pm, investigate more on his own, and then offered an opinion that was relevant.
We have a pro fireworks display company in my town of 3000. Today is their test run for their big July 4 display, so we get our own world class fireworks.