I do open this thread to find out which USB devices are compatible with the new Pioneer Amplifiers Eg the 516/916/1016 line and many more... Please list which devices you did try with which one is working works and which is not. P.S. I was going to try this http://cgi.ebay.com/USB-2-0-SD-MMC-...7QQihZ020QQcategoryZ50526QQrdZ1QQcmdZViewItem and usb card reader .... Thanks for your cooperation. Please list the product's name model and even pictures if u got them.