Synth3D

I am building a micro-ATX build to use for travel purposes, I am considering a cube case design that will provide adequate cooling in a small form factor. I am currently considering the Thermaltake V21 Micro-ATX cube case, however some of the Silverstone cube cases are smaller but my concern is that they will not provide enough airflow or cable management options. Does anyone have any suggestions for a Micro-ATX case that would fit in a suitcase and provide efficient cooling at the same time?

I sold a Qnix Q2710 and it only supports a connection via DVI-D, however the buyer is using a graphics card that only supports HDMI and VGA. The buyer stated that a HDMI to DVI cable didn't work, what type of adapter would solve the problem? Thanks.