Mill dots are the way forward, I have used duplex befor but wouldent consider getting another one anytime soon having seen the advantages and accuracy, but at the end of the day shooting shooting with a duplex you are still using mill dot principles just in your head not your reticle, if you get that down to a tee then that is a skill in its own right. ( I Doubt id ever manage it )
Si, I knew you were joking mate
Just waiding in with my 2p peices.
.atb. .ste.