This is a very detailed article on Toonzone summarizing the Robotech panel at this New York Comic Con 2012. Ed Liu does a great job sharing all of the details fans want to know regarding the series, merchandise, and most importantly the Robotech Live Action Movie. If you didn't attend the panel, it's worth a read top to bottom.
Regarding the Robotech Live Action Movie:
"McKeever said that they were still working on the script, since the Robotech franchise is so dependent on getting story and character right. As a result, there is no information about who would direct the movie, who would be in it, or what the mecha would look like."