Blood Angels have been thought to be next, and with the release of Dark Eldar complete, our first hint that this is what is coming next has been found.
There is a typo mentioning Blood Angels on the datasheets entry on page 113 of the ipad Dark Eldar codex.
Not really a rumor, and I have read this as well. Here is a pic of the entry from my own copy of the digital codex.
via a Reader here on Faeit 212
Look at page 113 in the Dark Eldar IPad codex
Under the heading "datasheets" first line reads: "Each Blood Angels Unit
in this book...."
Typo ?
I think Blood Angels are getting a new Codex soon