QS WO moves about half as much as plain sawn stock, so Michael's Furniture
(in-house Resto domestic manufacturer) is using plain-sawn 8/4 flipped 90
degrees for both lower cost and reducing warranty claims due to wood
movement.

Even if I could find 17" wide QS white oak, I doubt more than a 6-7 inch
section would be true QS stock, so narrower pieces - five to eight inches
wide - are pretty much the limit these days. My library table is about the
same size as the Resto desk, and uses 5 sticks for the 28 x 60 top. Over
the last year, it's been pretty stable, losing just under a 1/4" in width
between seasonal extremes.

FYI - Resto is a great place to get the SWMBO interested in A&C stuff.
Although the designs are derivative, the scale is about right and seeing
these pieces in the flesh really helps. My cost of about $500 for the
library table versus $1800 for Resto's was also a selling point (although
the hand-hammered pulls I'd like to put on would jack things up by another
$240).