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I've heard quite good reports from one or two people who have installed the VGA input on a Loewe TV. Officially it can only synch with a VGA signal at 640x480 (progressive), but unofficially it will also synch at 852x480 (60Hz) and 1024x576 (50Hz) - what you need for anamorphic DVDs (NTSC and PAL respectively).
It's a bit tricky to get working, though - you'll need to download Powerstrip and play with the timings. It isn't feasible to use anything other than a PC (or possibly certain video-processors) as a source - a DVD player won't synch, even with a component to VGA converter. The timings have to be very precise.
You can't get anywhere near high-definition resolutions. 720p is 1280x720, 1080i is 1920x1080. If you were to use an external scaler to downscale 50Hz 720p to 1024x576 it would look noticeably better than SD, but if you can afford an external scaler then you can afford a genuine HDTV. And downscaling the signal could be tricky anyway because of HDCP issues.
PAL DVDs do apparently look very good indeed at 1024x576 on Loewe TVs. And this is, in fact, the only way to get a progressive scan display on a Loewe TV. (It will actually accept component via SCART, but not a progressive scan signal, sadly).
The downsides (apart from the general fiddle) are that there is no aspect ratio switching, which may be a problem for 4:3 material, and also that there is very perceptible screen flicker, because the display is refreshing at 50Hz rather than the usual 100Hz. I doubt it would be usable as a computer monitor because of the flicker.
You may also have some problems getting the input card fitted. The kit costs about £75, but having it installed may cost you another £200. If you're brave enough to do it yourself, I guess you'll be okay. (I believe it comes with fitting instructions and isn't too difficult, but I may be wrong).
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