Nikon D200 vs Panasonic Lumix DMC-L1K camera ratings
Both D200 and Lumix DMC-L1K have 2.5" lcd screen size.
More details at picture has Nikon D200 since it has 10.2Mpix at picture. Panasonic Lumix DMC-L1K has less details and worse picture quality (7.5Mpix).
Nikon D200 comes without lenses (optical zoom) and you should buy some external for this professional model. Panasonic Lumix DMC-L1K has lenses with optical zoom 1.5x.