Thank's HimymCZe, I'd like to nominate for the second round of tests the following:
The super small
Case Logic MC600 - smaller than NFC S4 mini at 4 liters
Cylinder (think Mac pro)
iMagic/White Knight Pi at 9.0 liters
BottleNext Entropy at 9.8 litres
and the just right size:
Silverstone SG13 - my current case, at $40 USD ($60 CAD) and 11.5 litre low cost and it's smaller than the Raijintek Metis Plus (13.3), and check out Linus' awesome build at: