Okay, maybe guitar stands aren't the most exciting things in the world, but this one folds up and fits in your guitar or bass case - and works with acoustic guitars too.
These overdrive pedals use real tubes, with high-voltage power supplies. There are five bass models and five guitar models, available with varying degrees of gain.
This was one of the coolest variations on a uke we saw at a show that was invaded by ukes: an electric bass ukulele. Kala had several models on display, and as you can hear, it sounds pretty good.