It looks like your screen mode is possible, at least with one driver.
The highest resolution now possible at 60Hz is 1900x1440.
I'm sure you could get it to work if you . . . worked . . . at it. Anyway, probably not the best thing to do right now.
MS Interviewer: So what did you do today?
Interviewee: Well, I was installing Ubuntu Linux onto a separate partition, because yesterday I figured out that it would support my screen resolution if I edited the /etc/Xorg/Xorg.conf file . . .