The blog Quantum Progress is a blog by a teacher for teachers. Apart from the main blog see also the other sections. The section 'More than a blog roll' is a review of many other physics teaching blogs - very valuable. I have not had time to read far - too much.
Here are a few posts of particular interest from the main blog:
Intro Physics: Essential Understandings for Energy and Rough Outline
Using smartphone apps to take physics day to the next level
Using smartphone apps to take physics day to the next level
