Interlacing Issue

[nicko.dvz]

I'm having a huge issue here. It started when I got my new monitor I think, but I doubt that could be it, could it?
I have a hugely noticeable interlacing problem:



It makes things in 576i and 1080i terrible to watch (it doesn't happen for videos on my computer that I made... or... found). I know it wasn't happening before. Can anybody help?

[nicko.dvz]

Another thing. You can see that Media Centre is in a 4:3 window - I have definitely set it to 16:9 - and it's fine in fullscreen. Any ideas?

[nicko.dvz]

It's worse on HD
http://farm4.static.flickr.com/3255/...2d24e3_o_d.jpg

[tackster]

when i tried to force 1080p 30hz interlaced to my LG 42" LCD with 1348*768 it went like this(but worse,more jumpy). i now use 1220*720(720p),nvidia also allows me to custom fit screen to monitor, its about 1194*689 odd. lower quality(just a ,llittle) but right aspect,and no flickering.
with my Sony w series 40" LCD 1080 its awsome and works on 1080p 60 hz,but being smaller it got put into kids room ;o(

[nicko.dvz]

Originally Posted by tackster

when i tried to force 1080p 30hz interlaced to my LG 42" LCD with 1348*768 it went like this(but worse,more jumpy). i now use 1220*720(720p),nvidia also allows me to custom fit screen to monitor, its about 1194*689 odd. lower quality(just a ,llittle) but right aspect,and no flickering.
with my Sony w series 40" LCD 1080 its awsome and works on 1080p 60 hz,but being smaller it got put into kids room ;o(

Thanks, but my monitor is an actually computer monitor running at 2560x1600 (btw, the previous one was the same resolution), it's a Dell 3008WFP. That's progressive as far as I understand computer monitors. I sent back a faulty one which didn't seem to be doing it, I know someone who has the same monitor though, I'll try my computer on it - if it doesn't have a problem - looks like this one will be going back too!
I have de-interlacing turned on in the ATI control panel as well. Someone help!