Nah...it keeps spitting up.
According to the install /usr requires 4.1GB, but if I try to put that on the larger drive, the install thinks it still needs 5.3GB.
Plan "B" would be to migrate filesystems 'branches' after an installation on the 16GB.
e.g.,
http://www.linuxjournal.com/content/copy-your-linux-install-different-partition-or-driveor a variant of
http://ubuntuforums.org/showthread.php?t=1048874Plan "C" ...convince yourself you won't notice any speed difference.