Kellogg's still has some great high value coupons available right now - head over here to sign up to get access to them! I'd hurry and get yours as I'm not sure how long these will be around!
Rumor has it that these coupons include:
$1/1 Kellogg's Smart Start Cereal
$2/3 Special K Products
$.70/1 Raisin Bran Cereal
...and several other great coupons too!