This seems to be a popular board in the Z68 series that is upgradeable to IVY Bridge, and has PCIE3.
ASRock Z68 Extreme3 Gen3 LGA 1155 Intel Z68 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813157271