He picked up a broken NES at a thrift store, gutted it and filled it with an an Asus AT3IONT-I Deluxe motherboard with an Intel Atom 330 dual-core processor, 4GB or RAM and an NVIDIA Ion GPU. The machine also boasts a 120GB hard drive, support for HDMI and VGA, six USB ports, optical and RCA audio connections, 802.11b/g/n wireless, Gigabit ethernet, and Bluetooth. A 50mm fan takes care of cooling and the white paint job is sprayed on with spray-paint.
Oh and for the die-hard NES fans: Ana bought a pair of RetroPort adapters from Retrozone so that he could still connect the controllers to their ports. He can still play NES games through an emulator using the original pad as a mouse along with the appropriate driver software and a fold-away bluetooth keyboard.