While browsing Delta’s site looking at the other Delta SkyMiles deals, I stumbled upon the “SkyMiles 25th Anniversary” Sweepstakes which has apparently been going on for a while now. Between now and the end of the year, every time you earn 1000 SkyMiles, you’ll earn an entry into a sweepstakes to win one of 25 Saturn SKY Roadsters (MSRP-$23,690 each prize). Winners can also opt to receive $15,000 in cash instead of the car.

To enroll to participate, visit www.delta.com/skymiles25 and provide your SkyMiles number.