That's where the new Blu-Ray discs'll come into use.
The largest official memory on the disc so far is 100gb. It's rumoured that Sony and a few other companies ar developing a 200GB disc with a scratch-resistant Teflon Coating.
Just imagine what you could do with GTA on one of those babys. Takes years to develop, but damn, it'll be worth it. GTA: Europe. Let's all drive to Britain and hunt down Lenny! YAY!