I'm an actor, but I'm also a toy and technical geek.
I found the perfect gadget for at least those two parts of my fractured, fragile psyche:
LEGO. Plus it could store tons of game videos.
And, yes, they're stackable.
I wonder if you could actually build stuff out of these. Not that I'm wealthy enough to find out.
Though Fry's does have a generous return policy ...