So I looked through everyone else's answers first... and here are the ones I think are awesome (and why):
I would love a device that recorded my dreams, so I can re-watch them- hugglesgirl
I totally agree with this answer. I keep trying to record my dreams when I wake up and if I remember them, but that always seems to last for only a few days. I would love to have a dream journal, and being able to watch them back would be awesome.
A Macbook that is the same size as my 13" Macbook, but is made entirely of flexible material so that I can roll it up or fold it up AND not have to worry about it breaking if it falls.- jennschiffer
Dude. A laptop that you can fold into teeny tiny pieces? Friggin awesome, man.