Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
Very good question Chris. I was tempted earlier this year to change to the Dyna S system on my 400/4 but, having given it more thought I also went along the lines of 'If it isn't broken, don't mend it' so left the original in situ.