Hi. Decided to build my first rig. Here's my list on what I should put on it. case - Corsair Carbide Series 200R motherboard - MSI Z77A-G45 graphics - GTX 650 Ti BOOST psu - CORSAIR CX430M 430W cpu - Intel Core i5-3350P Ivy Bridge 3.1GHz ram - G.SKILL Ripjaws X Series 8GB storage - Western Digital WD Blue WD10EZEX 1TB heatsink - COOLER MASTER Hyper 212 EVO optical drive - ASUS DRW-24B1ST sound card - ASUS Xonar DGX 5.1 Price is around $800~$900 Thoughts? Does everything fit right? Should I change anything? Is the sound card optional? I have no idea what i'm doing