All I would like to know is that if all parts are compatible with each other and will not conflict with each other:

CPU Intel Core i5-2500K Sandy Bridge $220
Newegg.com - Intel Core i5-2500K Sandy Bridge 3.3GHz (3.7GHz Turbo Boost) 4 x 256KB L2 Cache 6MB L3 Cache LGA 1155 95W Quad-Core Desktop Processor BX80623I52500K

EVGA SuperClocked GeForce GTX 570(Fermi) $334
Newegg.com - EVGA SuperClocked 012-P3-1573-AR GeForce GTX 570 HD w/Display-Port (Fermi) 1280MB 320-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card

Motherboard MSI P67A-G45(B3)LGA 1155 Intel P67 ATX $135
Newegg.com - MSI P67A-G45 (B3) LGA 1155 Intel P67 SATA 6Gb/s USB 3.0 ATX Intel Motherboard

Memory G.SKILL Ripjaws X Series(2 x 2GB) 240-Pin DDR3 SDRAM 1600 $33
Newegg.com - G.SKILL Ripjaws X Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9D-4GBXL

HDD SAMSUNG Spinpoint F3 1TB 7200 RPM 32MB SATA 3.0Gb $59
Newegg.com - SAMSUNG Spinpoint F3 HD103SJ 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive

Case Rosewill Smart One ATX Mid Tower Computer $50
Newegg.com - Rosewill Smart One ATX Mid Tower Computer Case, Black interior, comes with three Fans-1x Front Blue LED 120mm Fan, 1x Rear 120mm Fan, 1x Top 120mm Fan, Option Fans-2x Side 120mm Fan

Power Supply CORSAIR 850W SLI Certified (Getting this cuz I will be adding another video card later on, so this psu power will be good enough right?) $122
Newegg.com - CORSAIR Enthusiast Series CMPSU-850TX 850W ATX12V v2.2 / EPS12V v2.91 SLI Certified CrossFire Ready 80 PLUS Certified Active PFC Power Supply

Microsoft windows 7 Home premium $100
Newegg.com - Microsoft Windows 7 Home Premium SP1 64-bit - Operating Systems

SAMSUNG CD/DVD Burner SATA SH-222AB - OEM $18
Newegg.com - SAMSUNG CD/DVD Burner 22X DVD+R 8X DVD+RW 16X DVD+R DL 22X DVD-R 6X DVD-RW 16X DVD-ROM 48X CD-R 24X CD-RW 48X CD-ROM Black SATA Model SH-222AB - CD / DVD Burners

TOTAL $1,080 (Includes shipping)

Please do me a favor and let me know if all parts compatible with each other or not.

Try going to the motherboard manufacturer's website. They will have a list of compatible CPUs and RAM configurations. Nothing else should have a problem as long as the video card slot is capable of the video card capabilities. The motherboard manufactuer's website should tell you that as well.