Geeek just announced a new case that uses Flex ATX psu with Hutzy XS/Custom_MOD mini design style, it's already in preorder with competitive price. (49.99$)
http://www.geeekstore.com/shop/geeek-a30-mini-itx-case/
Spec :
Model : A30
Available Color : White / Black
Materials : Acrylic, Aluminium...