This issue is a variant of Superman (DC, 2006 series) #710 [Direct].
"Printed by Quad/Graphics, Montreal, QC, Canada. 4/1/11." Two covers were done for this issue; one featuring Superman, Batman, and Vandal Savage, and this alternate one featuring just Superman and Batman (10 issues for 1 issue mixture).
Story continued from the previous issue, and continues in the next issue.
This is not a co-writer situation, Roberson is working from Straczynski's plots; they gave him a rough outline that JMS had turned in for the remaining issues of the Grounded arc, which amounted to a sentence or two for each of the issues, spelling out in general terms where the issue would take place geographically, specific guest stars, etc.
Batman's references to "business with Magpie" and "share a room on the Varanian Princess" refer to two other "first meetings" between Superman and Batman. The former was in Man of Steel, The (DC, 1986 series) #3 (November 1986), and the latter in Superman (DC, 1939 series) #76 (May-June 1952).
Bruce's mention of stopping in Smallville on his way across the country was shown in Superman / Batman Secret Files 2003 (DC, 2003 series) #[nn] (November 2003).
On page 14, the scene where Superman is lifting a green tank while someone in the foreground screams appears to be an homage to the cover of Action Comics (DC, 1938 series) #1.
Letters from Carlos Infante, Joshua Hicks, Glenn Simpson, Henry Sarmiento, and Christopher Walsh.
House ads for the following graphic novels: Superman: The Return of Superman, Infinite Crisis, and Final Crisis: Legion of Three Worlds.
Previews the cover and 5 pages of the upcoming series on sale in May.
Bob announces the 2010 Diamond Gem Awards won by DC Comics. Appears on page 34 in this issue.
House ads for: War of the Green Lanterns event, Brightest Day, and Flashpoint. Appear in various places in this issue.
Total of 3 one-page ads for: Find Your Inner Geek (web site, GeekChicDaily.com), The Zombie Chasers: Undead Ahead (book, Harper), and Doctor Who (TV, BBC America). Appear in various places in this issue.