D7100/D7000 ISO performance, don't compare low ISOs, compare instead high ones!!!: Nikon DX SLR (D40
Using D7100/D7000's 'Max ISO' of 25600, compare REAL 'High ISOs' to how the 'best' fare by comparison, which resolves better? D7100 or D7000 (and work progressively down to LOW ISOs which really make no difference in GOOD LIGHT): ISO 25600: ......