Around here, you can easily beat the big OEMs and still make a decent margin. It's partly because there's only a couple of places that sell them, and they don't really try to compete on price, and partly because the HP and Acer motherboards usually fail after 2 or 3 years.
No wonder it doesn't work! You installed the coils backwards
Main PC: Core i7 3770K 3.5GHz, Gigabyte GA-Z77M-D3H-MVP, 8GB Kingston HyperX DDR3 1600, 240GB Intel 335 Series SSD, 750GB WD HDD, Sony Optiarc DVD RW, Palit nVidia GTX660 Ti, CoolerMaster N200 Case, Delta DPS-600MB 600W PSU, Hauppauge TV Tuner, Windows 7 Home Premium.