there have been many threads "ranting" etc about the AI and how to get it to consistently sound great in various venues... I found that putting my Coda II on a freight box, chair, or anything that will not block the down-firing speaker really helped. together with the HP filter, I found this was a solution I could really work with and get good results.
so I got the idea to build a box. one day I saw a build-it yourself workshop box in IKEA. I got two, one with wheels, the other without to go on top. The top one without wheels I glued very solidly with wood glue and installed baffles to prevent any vibrations from rattling. I used a jigsaw and cut a round hole on one end about 70% of the size of the 10" speaker.
standing the box on one end, the AI sits on the top end. I have not had any muddy-sounding gigs with the AI, even in really close quarters with bad acoustics. the AI needs to be off the floor in this situation. If I need something to life another box, say the Wizzy, off the floor, I use this, too.
The two IKEA boxes fit together and with the wheeled one on the bottom, I can use it to haul some of my stuff, just pushing it into the room to set up. the other box with wheels serves as a kind of dolly for music stand, other amp (Clarus III, when I'm using that), etc. It's not only a "stand" but also a means to lug my stuff.