Try pressing the following keys in this order, you'll get unbanned! It's a secret bypass no one knows about because aIW staff put it in there so they can unban themselves! First, turn off your monitor (aIW detects this).
If you have Windows XP: Press the Windows key, then press U key on your keyboard, then press the U key again
If you have Windows 7/Vista, Press the Windows key, Press the right arrow in the keyboard, and then press the ENTER key
Then come here and post your results that it worked and let everyone else know