>>
>>Anybody else for weird testing techniques?
>
>I let my 3- [almost 4] year-old daughter play with it [on another machine of course]. :)

In addition to TESTING, there's determining if the user interface will be Understandable to the average user. We gave each program to an 8-10 yr old (child varied through the years) without directions or manual. If she/he could learn to use it without asking questions, the interface was OK.