Hamish why not consider the 100 deg Explore Scientific 9mm&14mm e.p. They are the clone of the TV ethos at half the price. Delivery was 6 Days direct from the States.They are excellent 2" eyepieces direct from E.S. Bevan
!6"Lightbridge mod TNT tracking
17mm type 4 Nagler
Baader eyepieces
Sky Scout
ES 9mm &14mm 2"eyepieces
Various other filters and eyepieces