Has anyone else come across this?
Apparently, the Education Bill 2011, which is currently going through parliament, will remove the right of parents to complain to the Local Government Ombudsman about schools.
"Clause 44 of the Education Bill extends the Secretary of States powers. It repeals sections 206 to 224 of the Apprentiships, Skills, Children and Learning Act (ASCLA) 2009 which give the Local Government Ombudsman responsibility for considering complaints against maintained schools received from parents and pupils."
It is not clear if this also includes complaints regarding SEN provision.
PS Apparently, Clause 44 will only be implemented in England, so if you live in Wales, you will still be able to complain to the LGO. 
I can feel yet another letter to my MP coming on....perhaps it is also worth writing to Sarah Teather, to see how this fits with the SEN Green paper!