Kellogg's Family Rewards members can receive 400 bonus points just by entering codes from 4 products between now and 9/04. And, you can do this 2 times. There are no special products listed, so this can be any KFR code.
Also, here are a few new codes that you may have missed.
FREEPTSFROMERNIE (50 Points)
RELAXITSLABORDAY: 100 points
CEREALANDMILKABC: 50 points