I've been carrying my ergodox to school and conferences for a while, because it's sooo great, isn't it? I don't want to damage neither the keyboard, nor my backpack though, and bubble doesn't last forever and looks ugly. Therefore, I've been looking for a case.
So far, I've only found out that the
Beyerdynamic DT-bag has perfect size (26×23×12 cm) to fit the ergodox w/ classic case, a trackball and an AC adapter for my thinkpad. It just needs a different padding, but it's a bit too expensive for that.
Any other ideas? I'd try to update the OP eventually.