Here you will find any comparisons I do between cameras outside of the reviews.
GRD vs. GRD II Teaser
Black and White Comparison (GRD I, GRD II and LC1) - Part 1, Part 2
Color Comparison (GRD I, GRD II, GX, GX100 and LC1) - Part 1, Part 2
Ricoh GRD I vs. GRD II High ISO Comparison - Teaser
Ricoh GRD II Long Exposure RAW vs. JPG Comparison
Ricoh GXR A12-M and Sony NEX-5N Comparison by Sam Waldron