At 800x600 the default size of a window just has a couple of pixels of the lower-right resize group poking out from other the panel. Since Nautilus window size is pretty arbitrary, it would be nice to clamp it to the size of the work area.
Changing it from 800x550 to 790x520 seems to make it fit well in 800x600 and fits the icon grid size.
Building in nautilus-2.2.1-5.