I am a "super saver" member there so I get all the fun emails. I'm sure you can get this information other places if you wanted to but figured I'd post up the discount codes that are available.
If Your Order Totals: YOU SAVE Use Ad#
$100.00 - $124.99 $15.00 014X1
$125.00 - $149.99 $20.00 014X2
$150.00 - $199.99 $25.00 014X3
$200.00 - $224.99 $30.00 014X4
$225.00 - $249.99 $35.00 014X5
$250.00 - $299.99 $40.00 014X6
$300.00 or more $50.00 014X7
Saved me a ton of money on my radio purchase