When I find good links, you'll be the first to know...
BuddhismThe Refuge - A Sangha for the Skeptical
TaoismA long, though intriguing, paper on
A more brief introduction
PaganismLake and McHenry County Pagan Site
EckankarStrange, but interesting belief system.
DruidismÁr nDraíocht Féin
MysticismThe Mystic - good insights
of animism that strikes my fancy.