Female Led Relationships/Female Domination - basics/relationship dynamics:

Venus On Top
She Makes The Rules (fabulous site)
Around Her Finger
Uniquely Rika or Lulu Press
Francesca's Pizza
Elise Sutton (a little on the more hardcore, female supremacist side and more male fantasy geared)  
The Good Girl's Guide to Female Domination (Akasha's Web)
The Submissive's Guide (more female oriented but many articles suitable for male submissives)
Femdom Articles and Tips

Learning About Women - Sensuality:

New School for Erotic Massage
Annie Sprinkle
White Lotus East - Yoni Massage
Tantric Sex links
Sexological Body Work 
Divine Nectar (DVD and info about female ejaculation)

Pampering Your Goddess - a few ideas:

Romance Tips for Him
Pleasing and Pampering a Woman
Eat Something Sexy
Midnight Muse
The Yankee Candle Company
Pacifica Candles
H2O Plus
Oshadhi Oils
Black Phoenix Alchemy Lab (lots of fun oils here)
Epicurean Shea Butter Company
Nemat Fragrances and Essential Oils
Ravenwood Spa (aromatherapy products)
The Body Shop
Kate's Magik (aromatherapy products)
Aveda (look into local Aveda salons which offer massages, hair styling, facials, etc.)
Deva World (music)
Bath & Body Works
Lush Cosmetics (all natural, handmade body and facial products)