The two UPSs are pretty low wattage. They wouldn't be able to power my rig, for instance, so I couldn't use them. As for the others, I would just get the cheapest one. By the way, I always unplug my computer from power and anything else that makes an electrical connection to the rest of the world whenever there is lightning in the area or whenever there is a power outage. There is no "surge protector" in the world that can compare to that. Surge protectors can only do so much to protect your equipment.
Sure, I'm not saying there aren't. I have a protected power strip, but I unplug anyway when the situation warrants. The protector is for those rare spikes you get like, for instance, when a car hits a pole. You can't know to unplug for that.