Hello All, Im new here so if I am clueless at points I apologise!! This will be my first build and iv been putting together a bit of a spec today and hoped to get peoples opinions!! Bit of background, never overclocked before but really want to have a go, im a university student (so reasonably low budget) studying CAD, building PC for "general usage" light gaming and CAD (solidworks, NX and AutoCAD if it makes a difference) So here is my proposed spec, opinons will be really helpful!! Case: Antec Two Hundred Midi Tower Gaming Case Mobo: MSI 770-C45 CPU: AMD*PHENOM II X2 550 - BLACK EDITION GPU: Sapphire ATI Raedon HD4850 CPU Cooler: Arctic Cooling Freezer 7 Pro v2 PSU: OCZ StealthXStream 500W RAM: Kingston 4GB kit (2GBx2), DDR3 PC3-10600 OS: Microsoft Windows 7 Professional 64-Bit HDD: 1TB Samsung Spinpoint F3 Any suggestions or opinions appreciated!!