hai iam using ACER ASPIRE 4930 from past 6 months,i don't have any problems with this piece,am getting the battery 'back up' upto 5:30 min.Actually comany has given 3 hrs battery,i have done some of the setting in OS
"high-end performance Notebook"
Are you guys sure? 3d benchmarks at 849, PCmark just above 2k5 and you say it as high end machine.
You people have a real bad taste of hardware!