A Pair of 2nd hand D-Premiers or One new D200

[Celts88]

Hi All

Hope this is the right area of the forum to ask, but have been offered a great price on a pair of 2nd hand Black Matte D-Premier's (approx. £4.4k for the pair). I have also been offered one new D200 for approx. £3.4k or £6.8k for a pair (makes a D400 mono set). Also been offered one new D250 for approx. £6.4k or £11.3k for a pair (makes a D800 mono set)

May seem a dumb question to some, but which way would you go:

• £3.4k - One new D200
  
• £6.8k - A par of new D200 (a D400 mono set)
  
• £4.4k - A Pair of used D-Premier's
  
• £6.4k - One new D250
  
• £11.3k - A pair of new D250's (of course makes up a D800 mono set)
  

Been told I can still upgrade the D-premiers to D250, but have to send back to France and cost per unit is £3k (of course £6k for the pair to upgrade), so this would take them up to roughly the same price as I have been offered the D800 mono set.

At present I'm leaning towards the pair of 2nd hand Black Matte D-Premier's for £4.4k 

Thanks in advance.

Cheers
John