Specs are all similar - all are CCD cameras, where a bare camera would be $150+; so reasonable buys I guess, at least the first two - you have to consider for yourself if the mount is worth that much to you but at least the cameras are a long way better than the initial one you referenced. The first two don't exactly specify reverse image, but from description sounds like that is intent. Just get a confirmation that they are indeed reverse image.
One note on the angle - at close-in, the wider angle units (first two) will give a fishbowl effect but this is not really noticeable at regular perspective
(I thought mine was screwed up initially when I installed it in my garage & looking at the door, the rails were all curved! - this is expected at ~ 18" range on a wide angle) If you look at the image of mine in the link above you will see that a regular distance rear view looks quite normal.
Another quick input on installing - realize that if you mount on the license plate, you still have to get the signal wiring back to your screen and reciprocally, power to the camera. Shouldn't be too big a deal though - you can run under the trunk of the car, up into the engine bay then through the firewall & on into the center console.