would recommend a film with better shadow separation like TMY400 for high-contrast open-sun desert work.
Hmmmm never been drawn to TMY400... will have to look into that also, after all its a new year., and here in the southwest we definitely do have high contrast as you know.

Thanks for making that point. .
BTW... In fact that is the very reason we out shooting today, as it was very overcast.. Wanted to try an shoot an area that is normally cast in deep shadow and light, within its canyon setting. Never have had any success in shooting scenes like this from above, looking down into the canyons throat. So went out there this morning, and got a good image with the Arista 200 @ 100, as it was not so bright, and also took two shots of HP5+. Developed the first one in D76 for the prescribed time of 13min. .Ah,, and as expected, needs some adjustment. Tomorrow will develop the 2nd, which is of the same scene, in HC110, and compare and start to get a feel for this film.
Thanks all for the input.