First build some help plzz and greatly appreciated

Guys i no i am asking a lot but can u check to see if these parts are OK i have a £600 limit so try to keep within it plzz if u can and tyvm for all of Ur help. here are my parts:

CPU
Intel Core i5 2500K 3.3GHz Socket 1155 6MB Cache Retail Boxed Processor

GPU
1GB XFX HD6870 DDR5 Dual DVI 2x Mini DP PCI-E Graphics Card

RAM
8GB (4x2GB) Corsair DDR3 Vengeance Jet Black, PC3-12800 (1600), Non-ECC, CAS 9-9-9-24, XMP, 1.5V, X79, Z68 & P67

PSU
Corsair 500W CX V2 PSU

MOTHER BOARD
P8H67-M PRO <Rev.3.0> - Asus P8H67-M PRO Rev.3.0, Intel H67, S 1155, DDR3, SATA III - 6Gb/s, RAID SATA, PCIe 2.0 (x16), VGA On Board, Micro ATX

Hard drive
1TB Samsung HM100UI/Z4 2.5", 12.5 mm, SATA 3Gb/s, 5400rpm, 8MB Cache, 12ms

plzz responed as soon as possible plzz.