Just connected one of my Acer panels to the TH2G through a dvi->vga converter
(DVI output on the TH2G to VGA input on the LCD). It basically works, but the
Acer display doesn't recognize the 1680x1050 correctly and the picture is
distorted (did i mention those Acer panels have been very cheap?).
Anyway, I then tried to create an xorg.conf for 3072x1536 but realized that this
is *not* the default EDID mode flashed into the box! (3840x1024 is the default).
The good news is that 3072x768 mode is supported by the TH2G:
I need to dig out the timing values for that mode and will let you know.