Today I received those Digital Concepts +1 +2 +4 +10 Close-Up Macro Filter (Here) Set from Amazon.com. Whatever the name they have it think all +1 +2 +4 +10 Close-Up Macro Filter Sets you can buy in this price range are same. I haven't had time to test them yet but from the look I can tell they are simple magnifying glasses.
Remember guys these are not Macro Lenses. These are to move your camera in closer to the subject and simulate a macro lens. So Don't expect the quality and comfort you get from a $500+ Macro lens. Also you can fix those Macro lenses to your Canon SX10 Camera. So you have to live with these and a Raynox DCR-250 Super Macro conversion Lens.