Battery backup for your PC is very important. In my home we lose the power often and throughout the week I usually get several very short outages or brownouts. Most of these issues would cause my PC to boot which results in possible corruption of the file system on the storage devices and lost work for anything I did not save. I just recently lost my APC Backups XS-900 due to a power surge and decided to try a different brand. The Cyber Power UPS is well liked and I can see why. It is very well made, it has a gorgeous LCD display showing voltage, load level, battery capacity and other info. Even the power button was well thought out, it's backlit and large. I can't tell you how many times I have been under a desk trying to figure out where the power button is on some other brands of UPS's.
The software included runs on Windows, Macintosh and Linux. The software is well done, simple and easy to install. You also do not need to install their software for basic operation. Windows 7 detected the Cyberpower for standard Windows battery notifications. The other nice feature is the cable is a standard USB type, no RJ45 to USB. They also include a DB9 serial for older systems.
The 600watt/1000AVR includes 5 battery protected plugs and 4 power surge plugs. The UPS has a nice large red sticker to clearly label which plugs are not battery backed up. It also has surge protection for your network (RJ45) and COAX for cable TV. Other nice features are a low profile plug to allow your furniture to go back against the wall.