Here are some that you might want to check out.
Bare Escentuals - Official website. Find a boutique where you can purchase samples.
Bare Makeup
Essential Day Spa
Little Stuff 4 U - This is an eBay-er who has made their own website.
MD Formulations - They don't sell BE on their site, but you can search for salons that carry MD. Some of those salons also carry BE, but you'll have to call to find out.
Nothing But Good Things - This is an eBay store.
Skin 1
Skin Firmer
The Birds Nest - This is an eBay store.
Total Bliss Beauty Products - Carries the new decimal foundations.
QVC - They are usually the ones to carry the new colors and kits first. Some kits are available at a discounted price.
Ulta - A store and salon. Some only carry a small selection of skin care and body products. Others carry most of the cosmetics and brushes. BE is not available online. Visit their site to find a location near you.