Thank you all, yeh cant wait to go to the the West!! We are lucky to have plenty of HST diagrams in the area. I'm looking forward to doing the branch lines. I will depart salisbury every day. For the branches near Penzance I will be on the 06:08 from Salisbury (so extra ticket single to Exeter before rover kicks in at 09:00!) to Exeter on three of the days to make good time into Cornwall (lots coffee needed!). My wife likes trains so will be joining me on some of the trips!!
