Thanks for the replies guys - I'm almost certainly going to confirm my SFT place in the next week or so - it is after all the only job I have ever wanted to do and I certainly don't want to spend the rest of my working life not enjoying my career as I have the past 10 years.
I suppose it's only natural to have a moments trepidation when about to take the plunge and I have a number of personal issues which are proving difficult to sort out at present.
Desk-pilot - on the hold for departure...