If you are a Hilton HHonors member and have not yet joined Delta SkyMiles, this is your chance to earn 5,000 bonus miles, just for becoming a SkyMiles member. But you will have to move fast on this offer because it ends June 15, 2007. Go to http://www.delta.com/marketing/hiltonbonus to sign up for SkyMiles today and start your membership off right with 5,000 miles toward your first award.