DS8 was flipped with PRI being in the 140's and a lot higher than his verbal score. He was accelerated a lot in math, but for what it's worth his reading achievement (above-level) score is consistently in the 99th percentile even though he had a high average VCI score on the WISC, indicating that the WISC scores do not always predict how someone will do in particular academic subjects.
(his highest scores on the WISC IV were matrix reasoning and picture concepts. His PSI and WM were both around 114, so average. DD's working memory was actually a lot higher than DS's on the WISC and she stumbles with math facts and can't seem to recall them quickly or reliably. She refers to DS as a "human calculator").