K-5 Vs K-7 ISO 6400 & 12800

The Korean Popco.net strikes again, here is the quick side-by-side shootout!http://www.popco.net/zboard/zboard.php?id=dica_forum_pentax&page=1&sn1=&divpage=3&sn=off&ss=on&sc=on&select_arrange=headnum&desc=asc&no=14223(in Korean)Well, there is no surprise, the ISO 12800 of the K-5 is even better than the ISO 6400 of the K-7. But as we all knew, higher ISOs of the K-7 actually, suck! Not even to