Nikon D5100 £350, $430 (with 18-55mm lens)
The D5100 is now three years old, and has been superseded by the D5200 and D5300, but it’s still a fine camera.
It’s still not fast by current standards, but the D5100’s continuous mode is adequate for relatively slow-paced action photography.
16.2 megapixel DX sensor
The resolution advantage is small, but this is a newer sensor with better colour rendition and lower noise.
ISO100-6400, expandable to ISO25600
The increased ISO range makes the D5100 more effective in low light than the older, more basic D3100.