The NZXT Source 530 is just such a case, clean lines with minimal flair but maximum efficiency make it a solid choice for entry level builds. NZXT has made the Source 530 a good looking case without tacking on a lot of out of place flair. The Source 530 provides a one inch clearance at the narrowest space behind the mother board panel, but that opens up to a full 1.25 inches near the bottom where most of the PSU cabling comes through. "
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