How can I improve my build?

How can I improve my build?

http://www.microcenter.com/product/401796/FX_8320_Black_Edition_35GHz_AM3_Boxed_Processor "130"
http://www.microcenter.com/product/373900/Hyper_212_EVO_Universal_CPU_Cooler "36"
http://www.microcenter.com/product/421052/GA-970A-UD3P_Socket_AM3_AMD_ATX_Motherboard "90"
http://www.microcenter.com/product/397320/8GB_DDR3-1600_(PC3-12800)_Desktop_Memory_Kit_(Two_4GB_Memory_Modules) "70"
http://www.microcenter.com/product/415620/GTX770-DC2OC-2GD5_NVIDIA_GeForce_GTX_770_DirectCU_II_Overclocked_2048MB_GDDR5_PCIe_30_x16_Video_Card "350"
http://www.microcenter.com/product/419581/600B_600_Watt_ATX_Power_Supply "60"


Total build price: 736 (Budget 770)

A case?