XS713 'C' is supposed to be going to the IWM at Duxford. I guess she'll be the last to fly.
That'll be a little difficult. XS713 was dismantled during the last 12 months. Bits of her are in the 55Sqn crew room.
XS727 'D' was slated for Duxford, but now appears on the for sale list, so it looks like XS709 'M' is the only one being preserved at present.
CS