Yet Another Camera Database and Comparison Website

At digicamdb.com, which has some more detailed comparisons for the sensor specs, in addition to the body specs. For instance:

Leica S2 Vs Pentax 645D: http://www.digicamdb.com/compare/leica_s2-vs-pentax_645d/

Canon 5D3 Vs Nikon D800: http://www.digicamdb.com/compare/canon_eos-5d-mark-iii-vs-nikon_d800/

Pentax K-50 Vs Pentax K-30: http://www.digicamdb.com/compare/pentax_k-50-vs-pentax_k-30/,