Best Canon, Nikon, Sony DSLR Cameras in 2012

Before buying a Digital SLR Camera you must know how to choose the best SLR Camera. Here we'll discuss them one by one.
Price - Firstly you need to check the affordability or price range. DSLRs are available at quite affordable deals at the lower end to extremely high prices at the professional end.
Lenses - You'll notice that some deals offer kit lenses and to be sure you can see them in "Product Details" or "Product Description. You can also upgrade to more high end lens if you want.
Batteries - Almost all have one but you can consider having an extra battery.
Memory Cards - You can get expandable memory if Camera doesn't fit your requirements.
Camera Bag - Almost all Cameras come with a big these days but your DSLR Camera is quite precious device therefore consider having a bag which can easily protect your Camera from accidental falls and scratches.
Resolution - How many megapixels your Camera have? Its one of the most important question and you should know that suits your needs.
Sensor Size - Usually large Sensor has more advantages than small Sensor.