Any chance of recovering your system by replacing the mobo? Flashing the BIOS may have fried the chip in which the BIOS is stored. Wouldn't know how to replace the chip, but a new mobo might save your rig?
I like Novatech and have bought a few Novatech PCs but do have one concern about the system. The power supply is too low depending on the graphics card you put in and would need replaced. Of course if you're using a very basic power supply it would be fine but for me it would be a concern.