Sorry, it little of topic but,
There is ton's of document about brushless stuff on ST website. It's technical but most people with few base on electricity can understand a large parts of the data.
http://www.st.com/stonline/books/pdf/docs/7438.pdf
http://www.st.com/stonline/books/pdf/docs/10401.pdf
The most interesting for us is this,
http://www.st.com/stonline/products/...e/an/13196.pdf
it's not really a marketing documents, it's seem that ST microcontroller can pretty much offer startup close to sensored motor on sensorless motor o_O