Disappointing and not entirely unexpected but...
...as one of those that is affected by the pricing hike, I have already determined to vote with my feet, just as soon as my contract is up (2nd July)
The price rise is just one facet of a number of detrimental (to me at least!) changes that Orange have made, recently - "outsourcing"/transferring their wired Broadband to BT meant I lost and could no longer "enjoy" Orange broadband - a factor in my not going to some other provider but now that 'tether' is no longer applicable...
I did check with Orange about escaping my contract without penalty, as they have materially changed terms, but to no avail - They quoted £182 escape fee between December '11 and July '12 which means its economically sensible to wait (So much for encouraging competition..) - I'll have my day, then...