Sounds exactly right to me. Good job!
Being a dual channel kit, both sticks have to be RMA'd. All it will cost you is shipping one way - from you to them. If you want something different:
CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model CML8GX3M2A1600C9R - Newegg.com