Same here! Upto buying it I'd been using an Avo 8 MkIII but realised that I needed soemthing more sensitive and sophisticated to work on modern electronics. The Avo 8 had always served me well so the logical choice was another Avo product. At the time the M2007 was a high end meter, well designed to the state of the art then, and ruggedly constructed. Actually, I've never opened mine up so it was super interesting to see the images above. Just look at that range switch, non of your PCB type rubbish here!! I remember it was expensive but don't recall the actual price, maybe around £200?! Mine still works perfectly and has never had a problem. Obviously it is not upto modern safety standards, as things have advanced substantially since then, but it is still a very good meter and I have no hesitation in using it on mains stuff. I do have the user manual but unfortunately at the moment have no way to scan it.
I have one of Daves 121GW meters which is great, but I still like the Avo, and that range switch puts the one in the 121GW in the shade!