I bought a USB female to female adapter to plug on the end of the charging cord, some things work, some things don't.



List of devices that work:

HTC Hero - Mass Storage mode (works 2 out of 5 tries aprox.)

Logitech G9 - Works, although only default buttons (left, right, scroll, middle) seem to work

SanDisk Cruzer 4GB USB Stick - Works

Generic Logitech wired keyboard - Works, although not all keys do.



List of devices that DON'T work:

Logitech Wireless Keyboard K250

USB external DAC

Generic Logitech USB mouse