a81e doesn't have internal mic. However it has wifi, bt and usb host mode (not totally sure about the last one). There are two brandings - Wirelession W1060 and Nationite Midnite which may be easier to aquire in the states. As for the Market - http://www.youtube.com/watch?v=r2YcJdxJ24U works also in Nitdroid. Doesn't make it more responsive though