Cabinet shuffle on the way

Andrew Porter over at Three Line whip speculates about a possible cabinet reshuffle post 1st May.

As he says it will probably be a minor one involving junior ministers but how about this for the "nuclear option"

Alistair Darling from the Treasury to the Foreign Office (Balls or Straw replacing him).
David Miliband from Foreign Office to Home Office.
Jacqui Smith from Home Office to Business Department (the old DTI).
John Hutton from Business Department to Defence.