About two years ago the Swedish company Fractal Design presented their Define R5 case. Meanwhile they're launching the Define R6 which should be the next step in evolution of their Define series. Like the previous model, the new R6 has been equipped with sound-absorbing material and a well thought tool-less system. The Define R6 is a case suitable for EATX motherboards and the level of modularity you get is actually impressive.
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