Where would you buy your parts from? So far the only i7 I found in belgium shops is 4770k and 4771
Right so I found a good shop from .be it seems
http://www.forcom.be
They have the Intel 2011 i7-4930K
For cooling I believe you want to go for liquid cooling, not much of a choice in that shop and I don't have any experience with such cooling.
Coolermaster or Corsair would be the only choice from manufacturer:
http://www.forcom.be/componenten/koeling.html
Intel 2011 i7-4930K Artikelcode: 336891
Wijzigen € 528,45 € 528,45 Artikel verwijderen
Asus 2011 Rampage IV Formula Artikelcode: 310666
Wijzigen € 314,82 € 314,82 Artikel verwijderen
SSD 840 EVO 250GB SATA Basic Artikelcode: 335041
Wijzigen € 163,30 € 163,30 Artikel verwijderen
Coolermaster elite 430 Artikelcode: 304238
Wijzigen € 43,16 € 43,16 Artikel verwijderen
E/ VGA GF GTX770 DC2OC 2GD5 PCIE 3.0 Artikelcode: 332636
Wijzigen € 325,10 € 325,10 Artikel verwijderen
CS650M/PSU 650W CSM series Artikelcode: 341655
Wijzigen € 84,34 € 84,34 Artikel verwijderen
WD 3,5" sata3 1TB caviar black Artikelcode: 274259
Wijzigen € 83,00 € 83,00
Eindtotaal € 1.542,17
If the ram you have is 4 sticks then you can use them, if it's 2 sticks you can either buy 2 more sticks (identical) bringing total to 32gb or you can still use the 2 sticks until you can find more money. You won't get quad channel with 2 sticks so it will work slower.
I think you can also use old Optical Drive if you had one.
Yea that shop has no r9's at all, unless you want to use a different shop or buy parts from different shops.
if you want beafier GPU you can go for
http://www.forcom.be/asus-gtx-780-ti-3gb-gddr5.html
but that will increase the Eindtotaal to € 1.893,86