Obviously this isn't exhaustive, and maybe not even accurate, but I find it validating. Clearly, if you find standard guitars in standard tuning don't do it all for you, you are in good company. http://everything2.com/title/Down+tuning
I write about music, technology and social issues at Old Mix Tapes and guitar mods and technology at Hack Your Guitar. You should read my blogs because I am well informed, witty and insightful.
My band is named Beautiful Radiant Things.