I don't exactly know what you are particularly interested in learning about since BDSM is really a gigantic subculture. Look around this site and others for some good information.
If you want unbiased BDSM information from an actual doctor's perspective, try looking for Dr. Gloria Brame's website. She has a lovely site FULL of good info.
Or, specify some topics that tickle your fancy and I'll (try to) point you in the right direction.
My boyfriend is into the whole BDSM thin, and is slowly starting to introduce me to it..we have a saint andrews cross in our room, and a variety of whips, paddles, floggers etc... so far, i'm loving it...
what i want is some ways i can "please" him..without him having to tell me what to do