they are very reluctant to bring out wills because many are very fragile - the microfilm is generally ok (but not good)
I'm sure the index must have been done on a computer (?by Leslie Quilliam - I know Noreen Cottier was involved at the start though it continued after her death) - there are several card indices that should have been done on computer and not handwritten.
I'm slowly adding them to Manxnotebook