I'm using the matrox g450. Not an expensive card. It works well in framebuffer tv-out mode. You need to patch the current vanilla kernel, and you need mplayer. (or xine will do, so i've heard) . Quality is decent, and would be perfect (at least on my not-so-expensive tv) if there was a way to wait for vertical sync. However such a thing is in the making (and maybe already works with the current directfb, (see www.directfb.org ). If I could get that running then it would be perfect for me. One caveat though, at the moment you cannot use matrox' hardware scaler, so scaling is done in software. However on my duron1300 that is no problem for divx/dvd. If you have a slow pc, it might be inconvenient though.
sorry for the long reply... anyway see the matrox cards thread in this forum for some more info
Somehow the old G450's are more expensive than new retail GeForce4 MX440 64MB AGP cards with TV-out which are listed around $47 shipped on Pricewatch. I believe nVidia's Linux drivers support the TV-out function, though I've never used one. I have an old AGP TNT with TV-out but my current HTPC is only PCI so I can't test it out.
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