This Sample tip from EASYDSLR Course - http://easydslr.com gives you the answer. My Vote for the most dangerous setting in the DSLR menu system is… *insert drum roll* “Release shutter without card” (DISABLE this) in Nikon DSLR cameras it can be hidden in the custom functions as “Release enable” Format and Delete on your Digital Camera [...]
Some amazing Magnolias I photographed in Downtown Seattle using a Canon 60D and a Canon 24-70mm f/2.8 lens. It was bright sunlight and a regular exposure did not bring out the color in the flowers.Too much lighting contrast and range. Solution: I took a series of 3 exposures for each photo and used Photomatix Pro [...]
or Nikon D5100 Kit - USA - UK
(Both come with 18-55mm Kit lens). Canon has better Video Mode - Nikon Slightly better Image Quality. For More Detailed Comparison watch this Video Post