MOTU has released a free driver update (for both Mac OS X and Windows 7/Vista) for all MOTU audio interfaces that enables wireless control of the CueMix mixing features using an iPad.

From MOTU:

Imagine being able to control your mix, wirelessly, from your iPad. If you own a CueMix-equipped MOTU audio interface, that day is here. Now available as a free download, the latest CueMix FX software includes TouchOSC templates for your iPad that give you complete control over the CueMix mixing and effects processing in your MOTU audio interface. Control your mix from anywhere in your home or studio Wi-Fi network. All CueMix-equipped MOTU interfaces are supported, both current and legacy models.

Supported models:

• Any “mk3” MOTU audio interface
• Any “mkII” MOTU audio interface (including the 896HD, UltraLite, and Traveler)
• 4pre
• Audio Express
• MicroBook
• MicroBook II
• PCI-424 core systems
• Track16

Link.