What are the key differences between the Nikon 1 and DSLR cameras, and which one would be a better choice for photography enthusiasts?

The key differences between Nikon 1 and DSLR cameras are the sensor size, lens compatibility, and overall size. DSLR cameras have larger sensors and more lens options, while Nikon 1 cameras are more compact and have fewer lens choices. For Photography enthusiasts, DSLR cameras are generally a better choice due to their superior image quality and versatility.