Theres always tech like this in the pipeline or due this "fall" but 9 times out of 10 it never shows up.
Like holographic disc I recall hearing this news like 4 years ago lol.
Theres been like a dozen companies out there saying were gonna release 20gig DVDs and 12gig DVDs and hitachis 300gig disc lol
Am still surprised blueray/HD disc formats arrived but as always theres something better round the corner.
I think the HD era is finaly coming along, more and more films are being filmed in HD, I read only few nights ago bollywood filmed its 1st film with a HD Camera, the same that was used on Starwars last film.... Another 2-3 years and I bet its the norm