How often do you need to upgrade?
How long is a new system lifespan good for?
Is it better to purchase a Pre-Built mfgr system or Build your Own?
How long before the Desktop becomes obsolete?
Will soon to be computers be like the iPad , Blackberries , portables all compact /condensed to pocket size cellular phones?
How long before DSL, Cable and Fios simply replaced with Wireless?
Will everyone be working behind miniaturized PC's ? as in Everywhere and Anywhere.