No, a combo box is a drop down list that also has a field in which you may type. For example, the font menu in Word is a combo box.
No, a combo box is a crotch (box) that has both male and female parts (the combo). Drop downs, multi-selects, or "other" fields are options.
Everyone else, the transition to Ubuntu isn't that hard, but is a learning curve. Why would one want to add building a machine to the mix? Besides by the time the ink is dry I'm sure the hardware suggestions will be out of date.
So, where do I apply to be one of these consultants?
Play Rogue, visit exotic locations, meet strange creatures and kill them.