Which will win the HD wars, Blu-ray or HD DVD, and what will be the deciding factor? Will energy prices mean green energy gets used more, or less energy gets used overall? What's going to happen to gadgets in general?

Aleks Krotoski hosts, with Bobbie Johnson, Charles Arthur and Jemima Kiss weighing in.

Listen and let us know what you think - and what you'd like to hear about in forthcoming podcasts. And keep your eye on the blog: we'll be seeking your input and reactions to events and shows.

Come the new year, fresh episodes will be available to download every Tuesday. (At worst, Wednesday. This one is just a, well, one-off.) We'll start next year by taking you around CES, Macworld, Silicon Valley and Britain's tech scene.