I really don't drink them anymore. A can of Dr. Pepper is enjoyable, but I drink it more for the taste than anything else.
But, I do have a special place in my heart for Rockstar. I had one I think just after it came out. It would have been April or May 2002. I remember because I was driving with a couple of friends ot another friend's wedding after a full day of work and whatnot. I didn't get any sleep since I ran shotgun the first 2/3 of the drive and took the last, lonely, drive shift (12am - 6am) - I had the Rockstar at 11pm. When we got there, I remember being the only one still functioning. It was a great trip...