There is an update regarding Action Comics #17 and 18 in that both issues will be written by Grant Morrison, with art by Rags Morales and Brad Walker.
In addition, Action Comics #17 will be delayed from February 6th to a February 20th release date, and the issues goes down in price from $4.99 ($5.99 for digital combo pack) one dollar to $3.99/$4.99 and sees the page drop count from 48 to 40 with a new cover by Rags Morales.
Action Comics #18, Morrison's final on the series, will be 48 pages with a $4.99 price ($5.99 combo) and will ship March 6th.
The cover for #17 now becomes the new cover for 18 (right).
The new creative team of Andy Diggle and Tony Daniel will begin with Action Comics #19.