Using this, I have found some pretty interesting routes, like ORD-SEA-MSP-AMS-FCO-AMS-ORD...for less than a MSN-FCO roundtrip.
Only problem is that the ORD-SEA leg is on UA or AA
Oh, and as far as the weather goes, I (am supposed to) have MKE-ORD-MSP-ORD-MSP-ORD-MKE on Saturday. Wish me luck!!!