I've uploaded two codexes to Scribd.com in PDF form which I have been working on recently - namely, a big 40 page Chaos book (epicly WIP) and Dark Eldar (kthx to the Master for inspiring me to bother).
Also Tau (Ethereals actually happen to be worth taking in this one).
Can't guarantee that they're balanced or OP, but that's why i'm throwing them to you...
Chaos Legions: [URL="http://www.scribd.com/doc/26225522/Warhammer-40-000-Fanmade-Chaos-Legions-5th-Ed?secret_password=raeo1i14kiv1eb0iq0c"]HERE[/URL]
Dark Eldar:
- Codex and Weapon Summary: [URL="http://www.scribd.com/doc/26225856?secret_password=1w78sxjopsoh1bfa7y4d"]HERE[/URL]
- Characters: [URL="http://www.scribd.com/doc/26327686?secret_password=1ke2to67ocn9mke25upr"]HERE[/URL]
Tau Empire:
- Codex: [URL="http://www.scribd.com/doc/26226089?secret_password=1en3b6q7xzrty8ds2935"]HERE[/URL]
- Weapon Summary: [URL="http://www.scribd.com/doc/26226074?secret_password=1lea63rh4gmb9304695z"]HERE[/URL]
(isn't worth looking at the fluff for most of the legions and special characters...)