If the emulation thing its true they are damn lazy. There are quite a few Mac/PC emulators which are pretty perfect. Most designed by 1 or 2 people. Plus Nintendo has far more knowledge about the architecture.
XBL: WiiVault Wii: PM me PSN: WiiVault
PC: AMD Athlon II Quadcore 635 (OC to 4.0ghz) , ATI Radeon 5770 1GB (x2)
MacBook Pro C2D 2.8ghz, 9600m GT 512 iMac: C2D 2.0, X2600XT 256