Now available printed on Lulu.com: Hoskier, Concerning the Text of the Apocalypse, Vol. 2. This is the apparatus and collation volume.
Paperback edition costs $19.55 plus shipping. The Hardcover edition is $36.18 plus shipping. I haven’t ordered one of them myself; so I do not know how well done the guttering is, but the guttering looks good in the preview.