Safeway: Milk and cereal deal

I've been told that Safeway Stores are running an unadvertised Catalina (coupons that print at the register) through July 7, 2009.

Here is the deal:
Buy 3 General Millks cereals, Get a catalina for $4.50 off your purchase of milk.

Select General Mills cereals are on sale for $2 each this week including: Cheerios (8.9 oz.); Total (10.6 oz.); Trix (10.7 oz.); Golden Grahams (12 oz.); and Cocoa Puffs (11.8 oz.).

There are coupons here, here, here, here, and here for these cereals as well as e-coupons here.

Buy 3 boxes of Total at $2 each
Use 3 $0.75/1 Total coupons
Spend $3.75 plus tax out of pocket
Get $4.50 catalina good on your next purchase of milk