I use APC backups exclusively. They are a bit more pricey, but a lot more reliable IMO
. I have one on each of my PCs and one for my Network server, DSL Router, and air pump. I invested in a small gasoline generator last year after having 2 5-day outages. I figure that the amount of time that the battery will be required to work (which is never very long) will be much longer than it takes for me to get the generator working. The filter and heater can easily be down for 30 minutes without harming my tanks, so I'm not too concerned with that. I imagine I would have to do a bit more for backups if I was doing SW
, but we'll deal with that when I get to it.