I don't know of any faults with the Z68 chipset. If you want some real longevity for gaming you could get a board from MSI that has PCI-E 3.0
If you have a high budget then wait a few months for all the new tech to come out. New CPUs from Intel and AMD, new GPUs, the list goes on.
. Although not the answer I wanted,
I thought that your post made sense.