This is a spending review the Chancellor had hoped not to need, on coming to Government the Coalition said they would pay down the deficit by the next election, which is set for May 2015.
This afternoon George Osborne is expected to set out a further £11.5 billion of cuts for the year 2015/16, the year following that General Election.
There have been detailed negotiations between Government departments and the Treasury, some budgets like schools, health and armed forces are ring-fenced. But other budgets could face cuts of around 10%.
But there will also be some infrastructure projects and MPs from the East are hoping for good news about the region's roads.
At Treasury questions yesterday George Osborne dropped a hint, following a question from Norwich South MP Simon Wright, that the A47 in Norfolk could be in for some investment.
And in response to a question from Bury St Edmunds MP David Ruffley the Chancellor said the A14 was very much in his mind as he approaches the latest round of spending.
There have been vocal campaigns calling for improvements to both these routes.
But MPs may have to wait till tomorrow until they know for sure what investment could be coming to the region.
It's expected today the Chancellor will set out the 'cuts' and tomorrow the Chief Secretary to the Treasury Danny Alexander will announce the 'good' news.