Over at the AMB forums, I started a discussion about the e22 board, and AMB said if 10 people were interested he would start a group buy. Right now it's at 7, so if anyone is looking to build a 3-channel Beta22, have a look at the group buy thread.
AMB Laboratories DIY Audio • View topic - ε22 (e22, Epsilon 22) backplane board
AMB Laboratories DIY Audio • View topic - ε22 (e22, Epsilon 22) backplane board