So it would be interesting if everyone reading this comment were to do one of the following:

• > Download and install TrueCrypt; create a volume; forget the pass-phrase
• > dd if=/dev/urandom of=secrets.bin bs=1M count=3000
• > Already have an encrypted TrueCrypt/dm-crypt/whatever volume

Yep, you can get it at Tesco. http://www.bbc.co.uk/news/uk-england-oxfordshire-11419498