Harry Potter and the Half-Blood Prince, which went on sale in the UK on December 7th, broke the first day DVD and Blu-ray sales record for the nation in 2009, selling over 840,000 units, 53,000 of which were Blu-ray. The film is also currently the number one downloaded movie on iTunes; and the Blu-ray version has had the biggest first day ever for a family entertainment release.

We will update further on this, including the number of copies sold in the US, where the DVD and Blu-ray were released on Tuesday.

The Half-Blood Prince DVDs can be ordered via the following links:

Standard DVD: Amazon.com (one-disc); Amazon.com (two-disc); Amazon.co.uk
Blu-ray: Amazon.com; Amazon.co.uk