The economist.com has published a review of the OLPC:

The $100 laptop is fast becoming a reality

BACK at the dawn of the personal-computer era, in the late 1970s, millions of future programmers around the world got their first taste of writing software by using an ingenious little computer that cost less than $100 (about $240 in today’s money). [...]

In the sweep of its ambition, Mr Negroponte’s pet project, One Laptop Per Child (OLPC), is remarkably similar to the thinking behind the original ZX80—giving inquisitive but economically deprived children the chance to feel the exhilaration of computer-based learning.