+1 To stulids recommendation on RAM and 7870 GPU.
We have discussed quicksync a little bit. If you aren't going to buy a GPU straight away you can still use quicksync whilst using the IGP, providing your software supports it. I think I mentioned earlier the standard nvidia 660 is rumoured to land next month, we could then see what's best bang for your buck then.
With RAM technically the lower the CAS timing the better. So C9 is better than C11 but in the real world it near as damn makes no odds. Geil is a recognised brand, I often spec the black dragon as it's good value and looks good on black mobos. The Geil EVO is good value too and I agree with stulid, it would blend in on that D3H mobo nicely
Quicksync with SB and IB i5K and i7K test results
I would go ivybridge. It consumes less power which is good for your PSU and bills. It does a lil more clock for clock (negates the SB overclock advantage), it also has a better IGP which helps quicksync as you can see in the link above.....Sorry stulid you were talking nonsense
So that leaves you to decide wether you do enough editing to really warrant the i7. If the cost of an i7 is restricting your GPU budget, I think the i5K will suit you just fine and of course you can overclock it too