I really like the simple lines of this case, and the fact that you could pack so much power into it and have it be quiet. It's a nice move away from gaming computer monstrosities.
For the last couple of days I've been driving an old Dell Inspiron 620. It's a rather modest machine but given the fact that I saved it from the dump (including some long drying time) I'm pretty happy with it!
most of the time those scrapyard office pc's have a really solid CPU, a good base to start from if you want to upgrade further, if you got the ram, cpu and a HDD, you can always throw it on an aftermarket motherboard with a nicer case and if you need it, a good graphics card.
This thing works brilliantly so far. I think it belonged to a painter, based on the images left behind on the SD card. I'm really tempted by that case, though. Maybe I'll order one given that the PC was free.