These are some "very" nice models, and I noticed they're even offering 1/10 scale now for selected cars.
Description of the 1/10 scale GT40's Exoto Collectibles
1/10 Scale MKII Cars & Price List: Exoto On-line Ordering
MKIV Cars: Exoto On-line Ordering
1/18 Scale cars: Exoto's Racing Legends Series
Description of the 1/10 scale GT40's Exoto Collectibles
1/10 Scale MKII Cars & Price List: Exoto On-line Ordering
MKIV Cars: Exoto On-line Ordering
1/18 Scale cars: Exoto's Racing Legends Series