" Not sure what to buy? Look around next time you're at the airport or on the plane. Look for laptops with barcode/inventory control stickers on them -- those are likely corporate machines "
What you write may have been the reality a decade ago, but these days is often just what the cheapest/best deal an IT department could get, and these machines generally come off the same line and have the exact same components as the "consumer" machines, often with even lesser specs. The World has changed.