Is this a "Good Rig"?

Hey guys! This is my first post on this website and I just want to ask you verge veterans about a rig that I'm thinking of building! Now please remember that this is not an all around gaming rig and more of a Minecraft, Graphic Design and Video Editing set-up. By the way, this isn't mean't to be a really expensive rig; I don't want to spend too much of my money!! :D

Here are the Specifications:

CPU: Intel Sandybridge i5-2500K Unlocked Core i5 Quad-Core Processor - £163.36

MotherBoard: Asus P8P67 PRO Desktop Motherboard Intel P67(B3) Express Chipset Socket H2 LGA-1155 ATX 1 x Processor Support - £99.99

Graphics Card: Gigabyte GTX560 1GB PCI-E Graphics Card - £175 (Roughly)

RAM: Corsair Vengeance 8GB 1600MHz CL9 DDR3 - £31.51

Hard Drive SSD: Samsung SSD 830 2.5inch SATA III 6GBps 128GB - £78.96

Hard Drive: Western Digital Caviar Green 1TB SATA III 6 Gbps Internal 3.5 inch Hard Drive - £58.88

Power Supply: Corsair TX650V2 Enthusiast Series 650W - £70.16

Case: NZXT Phantom USB 3.0 Big Tower Chassis White - £79

Optical Drive: SAMSUNG SH-B123 12X BD-ROM DRIVE - £69.16