These panels are the first grey ones hot off the cutter, hopefully I will get some time over the weekend to build up some more colour combinations and take some photos. If you want to look at what black panels with white corners look like you can get an idea with the current configurator:
http://www.lazer3d.com/lz7-configurator/configure/935/
Being 113mm tall it should fit height wise no problem, but I'm not sure about its diameter at 155mm wide. The HDPLEX 400W HiFi DC-ATX edges over the motherboard by about 20mm when installed in the front of the LZ7, so I think it will interfere. But I don't see why this wouldn't work if you were using a "Pico" style DC-DC PSU.
Would be great if you could document your builds in the Build Log section!