New PC for 5-Man: Hardware Advice Needed

[kazzakistani]

Hor, thanks again for the comprehensive answers! I have a good idea now what I could do with my 2k budget.

On another note, I have this older desktop from Nov-2010 which was built by a local shop. I dont have an OS installed and cant open the case at the moment, so on some components I dont know the exact details. I used to triple-box on this one for a bit during MoP and recall that it was relatively smooth:

CPU: Intel i5-760
CPU Cooler: Contac29
Motherboard: Asus P7H55-M
Memory: 8GB DDR2(?)
Storage: 1TB HDD
Video Card: GTX460
Case: Piano Black Mid-sized
Power Supply: T/Take 550W

Out of curiosity, I guess there is no way I would be able to triple-box or five-box WoD with this machine, not even with a few upgrades? I have a spare i5-4430S Quad-Core 2.7GHz but no idea whether it is compatible?

I know it is a very remote possibility but I thought I just checked before going ahead with my £2k project...

Thanks again for taking the time to respond!