Brilliant Nigel and so obviously the right solution - now that you have shown us the way. How to get it past the bureaucrats though? Previous EH and HA friction will not help, but a champion is needed. It may be worth thinking about approaching someone with high media profile - Julian Richards? Mike Pitts? Cost saving element should appeal to the Minister, but not to those who hope to profit from the looney high cost scheme. There's always another agenda lurking behind the scene.