“The Nikon 1 J1 is a good camera for beginners, [but] not so well-suited to serious amateurs.”
PhotographyBLOG has posted their review of the Nikon 1 J1, a compact mirrorless with 10.1MP resolution (on a 1.0-in. 13.2 x 8.8mm CMOS sensor), interchangeable lens on Nikon 1 mount, 3.0-in. LCD (460k-dot), PASM, Scene Modes, Shutter speed range of 1/16,000 to 1/3 sec., Continuous Shooting 5fps (or 60fps, electronic shutter), Hybrid autofocus (phase detection/contrast-detect AF), RAW, and Full HD 1920 x 1080/60i Movie with stereo sound.
You can read the Nikon 1 J1 Review @ PhotographyBLOG.