I got a Samsung SyncMaster 940bw (1440x900) with the same problems and
more

The resolution problem was not that big of a problem for me.

I created a modeline with this command: gtf 1440 900 60 -x
I looked for the correct monitor freq range with this command: sudo ddcprobe
some extra command for info: sudo xresprobe via
I added the required data to my xorg monitor section and got my tft working

The big problems are with the fonts dpi resolution:

Tho gather the info form your xsession resolution and the desktop environment 
resolution use these commands:
xdpyinfo | grep resolution
xrdb -q | grep Xft
They should generate the same dpi values, if not you can have fonts problems, 
fussy fonts with firefox, openoffice etcetera.

In edgy and dapper i solved this by adding a DisplaySize option to my
monitor section but this does not work with feisty.

This calculation I used for the DisplaySize (96 dpi and 25.4 stands for 
converting inches)
1440/96*25.4 and 900/96*25.4 =
DisplaySize 381 238

1024/96*25.4 and 768/96*25.4 =
DisplaySize 270.93 195.2

This was the text i added in my feisty herd5 test report but i did not
received any response on this subject yet:

21: There is a font displaying resolution problem in the Ubuntu distributions. 
The commands: xdpyinfo | grep resolution and xrdb -q | grep Xft should give the 
same resolution (DPI) but they are way off, resulting in blurry fonts in some 
applications, like in openoffice.org. Normally I was able to solve this by 
calculate and adding a DisplaySize option in the xorg.conf monitor section. But 
that does not work with feisty!

So I would like a working solution to set the xorg dpi settings sot both
commands generate the same info.

I also added a how-to report over the font problem that i made some time
ago:

** Attachment added: "font and resoultion problem how to that used to work on 
dapper but not feisty"
   http://librarian.launchpad.net/6967497/font%20problem%20xfce%20v0.3.txt

-- 
[Feisty] Wide screen not correctly detected (16/10)
https://launchpad.net/bugs/67369

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