Modifying PC cases has become something of an art, but this is ridiculous
If you thought you'd seen it all, you were wrong. Hardware fansite HardOCP has picked up on the meddlings of one of its forum regulars, a chap calling himself "awesomedude". Fair enough. Anyway, this young man has decided that he wants an all-in-one PC and Dreamcast, and to this end, has built the Dreamcast's internals into his PC case. And I don't mean simply super-gluing the console to the top either. Front mounted joypad ports, built in DC-to-VGA converter... it's a mod and a half. Take a look at the forum posting here. There are more pictures on the second page, also.