Of the three devices, the LG Mini GD880 Mimi has been rumored to be in existence and the Open House invitation confirms that this handset is real. According to Be Geek, the specs for the Mini include a 3.2 inch touchscreen with DROIDesque resolution of 480 x 854 pixels, but only 262,144 colors. The phone uses LG's 3D S class UI and is equipped with a 5MP camera with AF. The device comes with 100MB of memory and also includes a microSD slot. As for connectivity, the phone is a GSM//GPRS/EDGE quad band ( 850, 900, 1800, 1900MHz) and UMTS/HSDPA dual band (900, 2100MHz). Wi-Fi and GPS is also on board. We should know a lot more next Tuesday.
LG GW990 Preliminary Specifications
LG GT540 Preliminary Specifications
LG Mini GD880 Preliminary Specifications
source: BeGeek (translated)