BCS: Grand Challenges in Computing Research

The British Computer Society report is now available.

There is also a Grand Challenges website.
BCS also issued a press release that is summarized in a Computer Weekly article.

The challenge titles are
In Vivo--in Silico
Science for global ubiquitous computing
Memories for life: managing information over a human lifetime
Scalable ubiquitous computing systems
The architecture of brain and mind
Dependable systems evolution
Journeys in non-classical computation