My favorite feature are the "Cutouts on M/B tray for quick CPU cooler maintenance and neat cable management". Cable management is always a necessity for me.
1. Invite female to my place.
2. Wait for her to see my computer and say "damn, that thing's huge."
3. Say "wish I had a dollar for every time I heard that."
4. ?
5. Profit.
I'm running an old plain case with 80mm fans, it's ugly and (relatively) noisy.
So the cool design of the SpineRex case and plenty of larger fans is very appealing.