Sorry to continue the OT but thought I would say more about cables, as I don't believe midi without cables represents an advancement in music technology.
Here is the main power distribution unit that I'm using for my own setup (and mainly for events).http://www.canford.co.uk/Products/84071 ... PANEL-C612
With this, as well as tidying up the power, it allows for minimum impedance between earth connections of different instruments. Lots of hum problems are caused by earth connections of different units being separated by a resistance, which creates a voltage potential, and causes current to flow from one device to another via the earth connections. Having minimum resistance using proper power distribution helps with this problem. One problem is that all the power for the whole system needs to flow through one mains outlet which in the UK is rated for 16amp max, and the largest fuse is 13amp. Larger installations require specific rewiring of the mains.
This is the matrix mixer that I usehttp://www.hinton-instruments.co.uk/pap ... /index.htm
I use it exclusively for mixing CV to allow for very subtle and creative timbral control of instruments.