Unless you've mastered the art of mind control, you won't get very far in your build without a power supply. It's arguably the single most important component, and if you choose poorly, it's your components that ultimately suffer. Are you in the market for a reliable unit? Look no further than today's top deal for a Corsair HX750 750W Modular Power Supply for $110 with free shipping (normally $130 -- use coupon code: [EMCPWWC35]; additional $20 mail-in-rebate). Not only is it modular for easy cable management, it's also 80 Plus Gold certified, Haswell ready, and sports four 8-pin (6+2) PCI-E connectors for SLI or Crossfire configurations.