Sounds like there wasn't much fanfare with respect to anything "new."
http://www.fordgtforum.com/forums/showthread.php/30243-New-Mustang-SAE-Presentation-on-Feb-24-2015
Can't say im totally surprised, but a little disappointed nonetheless. Only other "event" I could see info being released from is NY auto show in April but if allocation enrollment ends Friday, then April seems a bit late to disclose more details