A summary of the reviews...
Pentax K-3 Review | Digital SLR camera reviews, tests and specs | What Digital Camera
Pentax K-3 Review & Rating | PCMag.com
Yaotomi.co (Google Translate)
Google Translate
DC Watch Japan (Google Translate) (scroll to 'Pentax K-3, related articles', click on)
Google Translate
Pentax K-3 Digital SLR Review
The Camera Store
Pentax K-3 Hands-On Field Test - YouTube
PhotoSafari
Pentax K3 review | PhotoSafari
Imaging Resource
Pentax K-3 image quality analysis: Does the K-3 clobber the K-5 II and the rest of the competition?
Imaging Resource- Test Samples
Pentax K-3 Review: First Shots - Samples
The Phoblographer
First Impressions: Pentax K3 - The Phoblographer
DigitalCamera Review- Nikon D600 vs. Pentax K-3
Nikon D600 vs. Pentax K-3 Image Comparison: Pentax Sweeps Nikon