Thanks everyone, just curious of what others may have received or what they find useful. I can definitely agree that during IRROPS moving me to another airline when they should have stuck me on a (less convenient) skyteam option has been great.
As an FYI for folks I dont think DL should bestow me with champagne or gifts or jewels but just curious if people find value in DL loyalty (with loyalty not at the forefront of a lot of companies now)