While I was googling for God knows what last night, I stumbled on …And Sewing is Half the Battle! The name itself made me a fan; the content made me a believer.
In addition to the usual “look what we made!” they have dozens of tutorials on all manner of costuming/cosplay issues. Of particular interest to me at this particular moment:
All well-written, intelligently presented, and reasonably understandable from where I’m sitting. Check it out!