Mine don't either and have unlimited corpse and item on floors , battle fight number troops set to max . And i'm far to get the best computer ^^ .
XP SP2
Duo Core Intel @1.83 gh .
ATI series 4800 @1024 mb .
4 G ram ddr3 ( using 3.25 cause XP ) .
Just a little freezing of 0.5 sec when new enemies spawn furing fight , not much .