"The ML03, while keeping the same great compact size as it's two siblings, has managed to find room for a standard ATX power supply, enough slots for a mATX motherboard, an extra full-size slot for accessories, and mounts for four 80mm fans! Support for USB3.0 makes it next generation ready, and of course sleek looks are something I've come to expect from any Silverstone case. A small case like this also needs an ATX power supply that will fit nicely too. Along with the ML03, I'll also be checking out the ST40F-P entry level 400W power supply from Silverstone."
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