If you want very clear and fascinating dreams, try Shikantaza (http://en.wikipedia.org/wiki/). From the very first day that I tried it I had absolutely wonderful dreams. NB: Shikantaza has no aim - don't do it trying to achieve anything, just do it.

ref: Brad Warner's (http://homepage.mac.com/doubtboy/) first book - Hardcore Zen, Punk Rock, Monster Movies, and the Truth about Reality (http://www.amazon.com/Hardcore-Zen-Monster-Movies-Reality/dp/086171380X). The least New Age book ever.