It appears, that its high time, that Canon move to Sony sensors, as well. They don't appear to be making much progress in the lower end DSLR sensors (actually, even in some of the high end ones).
Though I don't completely agree, that sensors alone will dictate end photo quality. Also, I found pics from the Olympus EM5 on some Flickr accounts, to seem better than the RX1. hmmmm ...
[url="http://www.petapixel.com/2012/10/10/did-canons-sensor-quality-regress-in-its-entry-level-dslrs/"]http://www.petapixel.com/2012/10/10/did-canons-sensor-quality-regress-in-its-entry-level-dslrs/[/url]
[url="http://www.dxomark.com/index.php/Publications/DxOMark-Reviews/CANON-EOS-650D-Strictly-Status-Quo/Conclusion"]http://www.dxomark.com/index.php/Publications/DxOMark-Reviews/CANON-EOS-650D-Strictly-Status-Quo/Conclusion[/url]