EU-UK: Britain's Four "Demands"

From The Telegraph - David Cameron's four key demands to remain in the EU revealed - David Cameron and his Cabinet allies name their price for Britain to stay part of Europe

See also Andrew Marr Show, 11 October, 2015, at 17.30 point.

"Status quo stuff"
"We've got that already"
"Not a blind bit of difference"
"Nothing of any substance".

True or false?