Gift them to a complete, but deserving, stranger from the FT board. For more information, and my SM#, PM me.

Seriously, you can donate the miles to charity. There are many people and organizations that can put the miles to good use. SkyWish will take care of getting your miles to one of many charities. You choose which one. More information can be found here: http://www.delta.com/skymiles/use_mi...ties/index.jsp