"The majority of users that select an H67-equipped board do so to take advantage of Intel HD graphics built into Sandy Bridge processors and thus, won't be using a high-end graphics card or really any other add-in cards. Builds where a Micro ATX board would be suitable include home theater PCs and small form factor builds where a small footprint is needed. A quick check at Newegg revealed only three full size ATX H67 boards, one of them being the board we are taking a look at today, the Gigabyte GA-H67A-UD3H."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips