One more-
"As seen earlier, Virtu is supported on this ASUS board, so you can have the best of both worlds after enabling the appropriate BIOS setting. The BIOS meanwhile is identical to what we have seen on other ASUS 6-series boards and it is arguably one of the better EFI BIOS implementation at the moment."
Intel Z68 - The True Sandy Bridge Chipset - HardwareZone.com
“ASUS is the only motherboard manufacturer able to integrate diverse new technologies in tandem on its Z68-based motherboards on launch. These include the universal implementation of LucidLogix Virtu™ switchable graphics to harness the capabilities of Intel® Quick Sync Video for faster video transcoding and the extreme performance of the latest NVIDIA® and AMD graphics cards, along with Intel® Smart Response Technology to accelerate hard drive performance and reduce energy consumption.”
ASUSTeK Computer Inc.