Crecente got some hands on time with the Darth Vader PSP, and he says it’s definitely lighter, possibly firmer, and has a new UMD tray. The buttons and D-Pad were also tweaked and improved, which is one of the bigger complaints in the old design.
[Kotaku]
http://kotaku.com/gaming/hands-on/psp-star-wars-edition-278440.php