Hi Greg, thanks for the link - actually stumbled upon that myself shortly after posting! Good to hear somebody else has bought from them too. I was wondering what the 'with cowl retainer' meant so thank you for explaining what that was about. Fairly well priced, I think that might definitely be the way to go as well.
I did come across old posts on this forum about buying the later windscreen without the chrome bezel which I don't mind losing, whatever's better and gives a better result is fine by me.
Happy to give it a go myself but never done it before; I'll look into what's involved in getting glass out in the first place and try to at least do the prep work then have a mobile guy come out and fit it for me.