Hi, recently acquired a ATI 4870x2, to change my 8800GT, can you help? that M / B and processor I would

M/B: Msi 880g-e41 or M4a78lt-m Am3 or ASUS M4A88T-M

CPU: AMD Athlon II X4 630 or Phenom II X3 720 or AMD Athlon II X4 640.

and what memories do you recommend

is what I achieved with my budget

Thanks in advance