This Xigmatek Nebula mini-ITX case looks like it might be a decent choice for an HTPC or Steam Machine. The folks at techPowerUP! seem to like it. Xigmatek's Nebula is a compact Mini-ITX chassis that utilizes an interesting mixture of materials and comes with the ability to hold a fully sized ATX PSU and dual-slot graphics card. But will it look as elaborate on the inside as it does on the outside, or is this Nebula not hiding any secrets of the universe?