It would help if you could post your budget and tell us what the main use of the PC will be.
You can make one saving by not including a sound card as on-board sound has come a long way and a separate sound card is really not necessary.
Need more details of the RAM before I could answer on its compatibility.So if you could post a link to the memory?
I appreciate that you are trying to keep costs down but, A: you do not need a 600W PSU and B: CIT PSU's are poor quality.
If you are a gamer then unfortunately the graphics card (GPU) is a waste of cash.