As far as I can tell, my geometry is fine, aside from the "fun-house mirror" effect that everyone seems to have and I've never really heard a solution for. I bet your box width problem is related to that.
The very top and bottom scanlines also don't converge correctly, but I figure that's...
Sigh. My apologies to everyone for reviving this ages-old thread. I mistook the "Local Date and Time" field in the message listing for the date and time of the actual post.
Lee: I have a 32FV16 (it's a little older, but probably basically the same thing. Looking over the little spreadsheet of service menu changes I did back when I was tweaking it, I changed both AXPL and AXNT from 0 to 1 to get correct color decoding. If you haven't tried it already, maybe this...