In the Q&A session at today's Sony VAIO event in Tokyo, a spokesperson expressed that while his company has yet to officially give Windows RT a whirl, it is still under consideration for future VAIO products. The rep added that he believes there's an optimum timing for picking up this ARM-friendly version of Windows 8, but he didn't elaborate further. Perhaps Sony's just getting all too comfortable with Android.
Microsoft Windows 8
Microsoft Windows RT