I see on their website this deal:

20% OFF any 2nd item! Buy two of any product* and take 20 percent off
the second item!
Regular Price: $499.95
Purchase a Second For: $399.96


wrote:
Saw this on the Yahoo group. It's Sharper Image 20% Friends & Family
Discount through Wednesday. Call them @ 1-800-344-4444 & tell them
POS#26366 or go to one of their stores, same deal. George S., MN