What MoBo & PSU is best for me

[Zolnierz_AK]

CPU i5 4690k
CPU cooler be quiet pure rock
MoBo ?????
Ram corsair vengence pro 8gb
GPU GTX 980
Storage Seagate 2TB
#2 Kingston 240GB SSD
Case NZXT H440 (Black/Red)
PSU ?????
hello i have some questions about MoBo choice i have looked out for some and i dont get why some cost £200 and then some cost £100 (they seem the same for me)
what i will expect from my MoBo, will be able to overclock my i5 to 4.3-4.5, support SLi(as i plan to add another one in the future)

also as i plan to sli in the future i might get a psu that will be able to run 2 GPU`s now so my question is will a EVGA SuperNOVA NEX 650W 80+ Gold will be enough if not pleas show me one that can.
thank you for contribution

 

[Dark Lord of Tech]

Here's a winning combo.

PCPartPicker part list / Price breakdown by merchant

Motherboard: Asus Z97 PRO GAMER ATX LGA1150 Motherboard (£106.73 @ Ebuyer)
Power Supply: EVGA 750W 80+ Gold Certified Fully-Modular ATX Power Supply (£89.95 @ Aria PC)
Total: £196.68
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-06-01 19:37 BST+0100

 

[Ezo Legendz]

Asus Maximus VII Ranger I have it and its a great mobo also get the Cooler Master V700 its made by seasonic its a great PSU Fully modular and all black flat cables