The forthcoming The Unknown Regions will, sadly, be the last supplement produced under Wizards of the Coast's license for the Star Wars RPG franchise.
However, it seems that they are going out in style: some frankly gorgeous cover art has appeared online at Pazio.com.
Based on the discussion at Wizards.com, this may be a preliminary version, and could still be swapped out for something else in the final book, but I really like it.
Thanks to friend-of-TF.N Onderon1 for the alert on this! The Unknown Regions is due for release on April 20, list price $39.95, though some retailers may offer significant discounts (I've seen it offered with 34% off). Meanwhile, you can discuss the news in our Role-Playing Games forum!