Try looking at Lian-Li, Silverstone and nMEDIAPC desktop cases, there should be something that looks close to the Sony.
But I also think Antec makes the best desktop case at the moment, frankly the Antec desktops have the best cooling of all the desktop cases. This is important due to they are more forgiving if you use parts that run hot. MATX Desktop cases. ATX Desktop cases. ATX Media Center cases.
Rather than conjecture, let me provide you with some resources so you can make an informed decision. If you want state-of-the-art type stuff, check this out, and get your wallet out, too (if you're willing to "pop" for Sony, this shouldn't hurt too much ):