Following the announcement that Capcom is developing a new Phoenix Wright DS title for the Japanese market, PunchJump.com reports that the third printing of the US version of Phoenix Wright: Ace Attorney (DS) has sold out in roughly a week's time. According to one online retailer, Capcom's next reprint is scheduled for mid-August. In the meantime, consider importing the UK or Japanese* version.
*There's a built-in English language option. On the title screen, tap the red button to toggle the language.