Some nice links, ready to click away when needed..
Knottyboy: good TUT on backcombing
Dread head HQ: Extensive tut with movies!
Perfect Dreadlocks: Extensive site, info on EVERYTHING

Extra Sites
How To Dread: Short summary site, not detailed
(I dont want to need to find these sites tomorow, viva BLOG! I hope some ppl read this shite before The Moment!! :s)