The main problem I have found with TV out on video cards is "brightness" of the picture. There seems to be a common problem on TV out of Video Cards that they output low amplitude Video signals. The Peak to Peak on a composite signal shouldd be 1 V, all of the Video cards I have tried give aprox 1V P-P unloaded, but when connected to the TV this drops away and leaves you with the dark reddish pictures many people are experiencing.
On the Matrox 400 card I have you can use Matroxset to fiddle with the registers on the card directly and increase the amplitude of the Video out to correct levels. I sadly havn't seen anything similar for the 440mx.
btw, don't be foolled by the brightness control, all that does is to make the blacks greyer, by lifting the black level. It does not increase the intensit of whites. Contrast controls somtimes increase the white level, but not always.
If you cant fix the card through software, one thing that worked for me was to feed the signal through my Video player. I have a JVC s-video model, and that will act as a video amplifier, it equalizes the incoming signal and boosts it to the standard 1 V p-p. The improvement in passing the video through that (or any other amplifier) is remarkable.
If only the Nvidia cards did interlaced passthrough, and were frame aware and allowed you to adjust the video levels they would be great for Myth
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, but I do nto have a 350 card so I cannot comment. I do have a DXR3 card, and that gives good full amplitude video out, giving a nice clear picture. Shame it doesnt work with Myth 