Yes, they are now out.
Updated editions of Dead Centre and Rough Justice are now available.
Dead Centre has been updated with an extensive new introduction that updates the information in the book. Rough Justice has been extensively updated throughout the book.
Buy them at the following locations (more being added):
Robin’s Books on Apple’s iBook store (iTunes)
Rough Justice 2nd Edition: Smashwords.com Amazon Amazon UK
Dead Centre 3rd Edition: Smashwords.com Amazon Amazon-UK