I do not own a cat (my allergies) but if you do have a cat this catalina deal looks pretty cool!
Purchase a Purina Tidy Cats Scoop brand cat litter between 8/21/09-9/13/09 and receive a coupon (up to $3.00) at checkout. Coupon good off your next shopping order:
Spend $5, Save $1 oyno
Spend $10, Save $2 oyno
Spend $15, Save $3 oyno
All items must be purchased in one shopping order. Limited to product in stock.
Use -$1 Tidy Cats litter any (RP 8/9)
Source: Hot Coupon World