Help Sharp LCD TV HDMI SwitchResX and displayconfigX

Hi, the last Mac I used extensively was my 1984 version with 128K RAM as 1 internal and 1 external 3.5" drive ...... so, well, I guess you could call me a total noob with 10.4.
Anyways, I just bought a new Core Duo. I'm trying to hook it up to my Sharp lc-26d6u LCD TV. (native res 1366x768) I did the whole HDMI-DVI cable thing and that works; so now I'm trying to get SwitchRESX working....
I download the SRX control panel v3.7.1 .... crashed while opening!
So I make the the run only in Rosetta....
Now I can open the utility, but the instant I hit apply (to apply my custom res settings) it crashses again!
So they I tried DisplayConfigX. Wow, what a bear. Anytime I try any type of custom resolution, whether by "timing" mode or "scaling", I totally lose the ability to turn off overscan. Moreover, nothing works. I always end up getting a totally black screen. I've tried 1344x756, 1360x768, 1366x768, and 1368x768. I don't get a bad image, I don't get a shifted image ... I get no image.
So I end up having to have to either boot to single user mode and blowing away lots of stuff or VNC-ing into the machine to fix it.
I know people on this forum have got this working before .... can somebody help?
Thanks
Thanks
Jason

Jason, please clarify the comment, " (native res
1366x768) I did the whole HDMI-DVI cable thing and
that works...". Question: If that works, then what is
the problem? Why are you messing with SwitchRes X?
What is your goal?
Hi, sorry, the problem is that connecting to the Sharp doesn't give me 1366x768 as a selectable display resolution. The closest I get is 1280x7xx (xx= I forget exactly what it was). So the net effect is that I don't fill up the entire screen of the Sharp. Consequently, I'm trying to figure out how to get the Macintel Mini to spit out the native resolution of the TV.
Thanks

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