Hi,
A snapshot build for NetBSD/i386 1.5.2 of XFree86 4.1.0 made from NetBSD's 
xsrc/xfree sources as of 2001/10/30 had been made available at the following
URL:
ftp://ftp.netbsd.org/pub/NetBSD/arch/i386/XF86-4.1.0-1.5.2/xfree410-152.tgz

The README file in the same directory contains instructions and MD5 checksum.

Best regards, Stoned.