The super shiny Asus NX90 is finally going on sale. We caught the polished alumininium bad boy at CES earlier this year, when we, along with everyone else, left mucky fingerprints all over its mirrored body. Inside the NX90 has Bang & Olufsen sound technology and two speakers than run down the side of the laptop that can pump out 108cc. Click through for full gallery and teaser video…