yes here we go, although it goes against commomsense, its pretty conclusive high rankings != high sales
http://www.gamasutra.com/php-bin/news_index.php?story=10924
http://www.gamasutra.com/php-bin/news_index.php?story=10924
statistically disprove a direct correlation between video game review scores and the resulting performance at retail, reiterating that there is little relationship between a game's critical and commercial reception.