OK, I ended up going with this:
HOPS:
1 oz - Chinook, 60 min
1 oz - Simcoe, 40 min
1 oz - Columbus, 30 min
1 oz - Mosaic, 20 min
0.5 oz - Cascade, 15 min
0.5 oz - Cascade, Dry Hop for 7 days
1 oz - Columbus, Dry Hop for 7 days
1 oz - Amarillo, Dry Hop for 7 days