Apple Resources - Recommend (New Computer)

Choose your new MacBook Air

  Doubling the Unified Memory from 8GB to 16GB is a thrifty
  way to ensure this Mac will handle whatever you throw at it
  a good five years into the future.

  The 256GB versions is $300 cheaper at $1,399.
  Should last 5-7 years into the future.

Other Mac Options   

Apple Resources - New Mac Clean Installation   

Apple Resources - Security Settings