nah bugger that, plug your monitor in elsewhere and have it turn off if the power goes out
I never bothered with the software as I don't leave my PC without saving shit first so only really needed it if the power went off while I was still a my PC. Also you don't get the voltage regulation on equipment not plugged into the battery part of the UPS (mine has 3 or 4 battery and 3 or 4 that are just surge protected). Before getting the UPS I'd always get HDD failures and have graphics cards die on me but since I installed it I haven't had any components fail. It might be coincidental but I think a stable voltage is doing wonders for the life span of the electronic gear I plug into the UPS.
Then again we were getting pretty bad brown outs where I am which really isn't meant to be the norm so YMMV.