Obviously becoming computer savvy at a young age is becoming increasingly more important but it's worth holding off buying the MacBook Air until you know what would most benefit your child. Questions need to be answered such as: Is a laptop or computer provided at the school? What programs will be necessary for your child's learning?
There is a big difference in price between a computer with basic features as opposed to one with specialized qualities, so it's worth waiting to know what Brenda or Bobby needs.