Owen- Some of it we used a lot of, most of it we didn't use most of the time. The route only took one screw but many pins, some cams, nuts and of course the odd picket.
multiple variations on TC necessitate different sized racks.. and of these variations, different conditions will require potentially more gear. THis is pretty obvious for seasoned cascade climbers but something I grew an appreciation for only just recently..
a couple weekends ago I solo'd the whole route with a buddy (cakewalk); last Friday it was the most heads up lead of my life getting into the 3rd couloir w/a single twin and LIGHt alpine rack. happy I had my nomics. Conditions changed the route completely in just a few days.
my point: a few extra pieces is a wise choice in the cascades cuz you NEVER really know what your gonna get.