Avnet has a new power supply in stock for 96Boards:
AES-ACC-U96-4APWR is the highest power 96Boards-compatible power supply from Avnet that supplies 12V @ 4A. It ships with an international plug set and supports 100-240 VAC. This power supply is recommended for designs that may consume power through the expansion mezzanines or USB 3.0 host connectors.
The stock at Newark and Farnell may be delayed by a few days, but it should be there shortly.