When I first started teaching 10 years ago there were very few teachers using the CI method (TPRS.) Now there are a ton and I love it! I like to skim through everyone's blogs but these are the people and sites I consistently go back to.
Tina Hargaden (CI Liftoff)
La Maestra Loca
Dreaming Spanish
Read to Speak Spanish
Senorwooly.com
1001 Ways to Learn Spanish
WorldLanguageCafe.com
The Comprehensible Classroom
Senora Chase
Maris Hawkins