Gaming Rig under 60-65k

Only purpose of this PC is for gaming (For my friend). I choose some components

RAM-G.Skill RipjawsX DDR3 8 GB (2 x 4 GB) PC RAM (F3-12800CL9S-4GBXL) /rs 3300

GPU - MSI NVIDIA N660 TF 2GD5/OC 2 GB GDDR5 Graphics Card /rs 17056

MotherBoard-ASRock H77 Pro4/MVP Motherboard /rs 6413

HDD - WD Caviar Blue 500 GB Desktop Internal Hard Drive (WD5000AAKX) /rs 3570

PSU - Corsair CMPSU-600GUK 600 Watts PSU / rs 5246

Processor - Intel 3.4 GHz LGA 1155 Core i5 3570K Processor /rs 15,000

Dont need other stuffs lyk KB/Mouse, ups. And he wants suggestion for monitor under 10k and for cabinet under 5k
thanks.