Yadif is a reasonable smart bob. The correct syntax is
Yadif(0, 0)
I would choose a sharper resizer like the internal Spline36Resize(). FastBicubicResize() is a fairly old external plugin and the internal resizers are very fast.
For Xvid the height needs to be an even number and preferable a number divisible by 16.
Popular 16:9 mod16 Xvid sizes with the aspect error.
512x288 0%
544xx304 1.2%
576x320 2.2%
592x336 -1.6%
624x352 -0.5%
656x368 0.5%
688x384 1.4%
704x400 -1.8%
For decoding DV I would recommend
Cedocida.
Seeing you have an interlaced source working in "YUY2" may avoid any chroma problems. AVISource("C:\Casbah.avi", pixel_type="YUY2").
24 Minutes and 200mb would be 1000kbits video and 128kbits audio, this is generous and extra denoising may not be necessary.