If you have a MC near you apparently they will be doing special launch prices:

Core i5 2400 $149.99
Core i5 2500K $179.99
Core i7 2600 $249.99
Core i7 2600k $279.99

These look to be a pretty nice upgrade to the current 1366 chips when it comes to power and heat. When you take into count that the boards will start at around $130 for the GB UD3, it shouldn't be too much to swap out your 1366 rig and could be a little less than what you sell the 1366 rig for. Just some food for thought.