Business subnotebooks. Lenovo and Dell aren't the only players in the business notebook market. We compare three high-end alternatives retailing for well over $1000 USD each with some notable differences between them.
http://www.notebookcheck.net/Face-Off-Toshiba-Tecra-Z40-vs-Acer-TravelMate-P648-vs-HP-EliteBook-840-G3.168254.0.html