Legit Reviews has posted a review on the Xion II case
There is plenty of room inside the Xion II for what ever you might decide you need to install and where to hide the cables at. The two 120mm fans and the 80mm fan really pulls a lot of air across the PC at a noise level that will not make you insane. Plus the 450 watt power supply that comes with it seems up to the job to keeping your power hungry components happy. After a day of monitoring the power consumption the +12V averaged in at 12.6V, the +5V was running at 4.95V, and the 3.3V was at 3.312V....Xion II Steel ATX Mid Tower Case Review