Upgrade to socket 1156 or 1364?

What do you think is the better upgrade is there is any difference?

1156 Update ~633
Motherboard: ~190 EVGA P55 SLI 132-LF-E655-KR LGA1156 Intel P55 ATX Intel Motherboard – Retail

CPU: ~280  Intel Core i7-860 Lynnfield 2.8GHz LGA 1156 95W Quad-Core Processor Model BX80605I7860 – Retail

RAM ~163: CORSAIR DOMINATOR 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model CMP4GX3M2C1600C7 – Retail

1366 Update ~700

Motherboard: ~240  EVGA 141-BL-E757-TR LGA 1366 Intel X58 ATX X58 SLI LE Intel Motherboard – Retail

CPU :~295 Intel Core i7-930 2.8GHz LGA 1366 Quad-Core Desktop Processor Model BX80601930 – Retail

RAM :~163  CORSAIR DOMINATOR 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model CMP4GX3M2C1600C7 – Retail

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