SAMS Club has an awesome set of Goodyear branded jackstands. Of course if your other car is an Aston martin DB whatever, why not consider a proper lift? In the US they are delivered to your door for about 2500 USD. someday when I go back, IF I go back, I will make a bee line to the car lift store.....
Whatever you do, get a proper JACK......SEARS and SAMS Club sell nice 2-3 ton ones for about 200 USD.