Coalition MPs are on tenterhooks as David Cameron puts the finishing touches to his first major reshuffle in a shake-up aimed at reinvigorating the Government.
Former Liberal Democrat Treasury minister David Laws is predicted to make a return to the front benches, while key figures such as Chancellor George Osborne and Foreign Secretary William Hague are widely expected to remain in place.
But the Prime Minister plans to make significant moves across all ranks of government in the overhaul tipped to be made on Tuesday.
Mr Cameron will seek to reassert his authority over his restive Conservative Party after a summer of personal attacks on his leadership skills and will use the opportunity to get rid of under-performers as well as bring in rising stars from the 2010 intake of new MPs.
Much attention has focused on the key role of Conservative Party Chairman. Baroness Warsi has publicly appealed to Mr Cameron to allow her to carry on in the post, but some Tory MPs want to see her replaced with a big hitter who can galvanise support for the party.
Employment Minister Chris Grayling and Housing Minister Grant Shapps have been touted as possible alternatives from outside the Cabinet.
The Prime Minister is expected to hold a meeting of the Cabinet once the new top team has been finalised.
Although Mr Cameron is ultimately responsible for who sits in the Government, under coalition guidelines each party chooses who fills its allocation of posts.
Deputy Prime Minister Nick Clegg is likely to use the opportunity to bring former Treasury chief secretary Mr Laws back in from the cold after he was forced to resign over his parliamentary expenses just weeks after taking office. The MP was suspended from the Commons for seven days last year after a parliamentary inquiry found he had overclaimed expenses.
Aside from Mr Laws, Mr Clegg is expected to leave his government team largely in tact.
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