Compability and questions!

Ok so earlier i posted threads about compatibility but got mixed answers so i decided to wait and give it another shot. So i jsut need to know what stuff will better.
Also i noticed the optical drive and hdd are oem will the psu or motherboard come with cables for them?

Motherboard:

ASRock H61M-VS LGA 1155 Intel H61 Micro ATX Intel Motherboard

or

GIGABYTE GA-Z68AP-D3 Intel Z68 Motherboard - ATX, Socket H2 (LGA1155), Intel Z68 Express, DDR3 2133MHz, SATA 6.0 Gb/s, RAID, 7.1-CH Audio, Gigabit LAN, SuperSpeed USB 3.0, CrossFireX Ready

CPU:

Intel Core i3-2100 Sandy Bridge 3.1GHz LGA 1155 65W Dual-Core Desktop Processor Intel HD Graphics 2000 BX80623I32100

or

Intel Core i3-2120 BX80623I32120 Processor - Dual Core, 3MB L3 Smart Cache, 512KB L2 Cache, 3.30 GHz, Socket H2 (LGA1155), 65W, Fan, Retail

Video Card:

SAPPHIRE 100314-3L Radeon HD 6870 1GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card

HDD:

Western Digital Caviar Blue WD5000AAKX 500GB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive -Bare Drive

Optical drive:


SAMSUNG CD/DVD Burner Black SATA Model SH-222AB - OEM

Ram:


G.SKILL Ripjaws Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory Model F3-10666CL9D-8GBRL

PSU:

SILVERSTONE Strider Essential series ST60F-ES 600W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Power Supply

or

XFX ProSeries P1-450S-X2B9 450W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS BRONZE Certified Active PFC Core Edition V2 Full Wired Power Supply

or

Cooler Master eXtreme Power Plus 500-Watt Power Supply

Case:

Rosewill CHALLENGER Black Gaming ATX Mid Tower Computer Case, comes with Three Fans-1x Front Blue LED 120mm Fan, 1x Top 140mm (18.50" x 7.48" x 17.08" dimensions)

or

NZXT GAMMA Classic Series GAMA-001BK Black Steel ATX Mid Tower Computer Case

OS:

Windows 7 64-bit

PSU links:

http://www.newegg.com/Product/Product.aspx?cm_mmc=BAC-T...

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

http://www.newegg.com/Product/Product.aspx?Item=N82E168...