FJ's are huge, but lets not forget about Nike and adidas Golf. Both are very big sellers and each year have taken over percentage points on the marketshare that has been held by FJ for 3 decades.
I know this is an old thread to resurrect, but I was in the PGA Superstore in Duluth, GA today, and they were carrying FootJoy again. They still were not as recently as Christmas. Something in the relationship must have finally thawed.