> I bet there are many hackers hard at work cracking the thing. I believe that
> eventually it will happen.

Question is not if, BUT --> h o w <--
Warez, or let's be fair and say; playing of original backup copies, will only work if it's made affordable (afaik is why the cube is still alive, somehow)
2GB sticks still costs more than a conventional 200GB harddrive not to mention the 4GB sticks. UMD's can hold an awfull lot of data.

I remember Sony released CD based PS2 games in the early years. Guess why they're now all DVD games and mostly use full capacity of DVD5/DVD9! (interesting practice actually when you see 2GB dummy files just to position critical data to the edge of a DVD)