Thanks for the kind comments
DP2M, Nodal Ninja 3 Mk2 pano head (perfect for the DP2M), leveling head, lightweight tripod.( Update: this is my current system but the Cannes pano was shot handheld)
Stitching is in PTGui on a Windows 7 machine.
This particular print is a Lambda light jet print by Spectrum Photo
in the UK, using their perspex system. Very smart result.
The detail in this shot, printed at 24 inches x 100 inches, is incredible - easily large format level across the image. Quite fun to look at and see new details previously unnoticed