if oni for gaming purpose with ur budget, u dun nid that i7-5820k

this one for around 5K build OC

intel i7-4790K RM1329 (u will get OC-able CPU)
Asrock Z97 Killer RM569
Zotac GTX970 Reference 4GB GDDR5 - RM1300
2x Corsair Value RAM 8GB DDR3 1600MHz - RM458
WD 1TB HDD - RM 199
Liteon 900S 256GB - RM429
Seasonic S12II Evo 620W 80+ Bronze Fully Modular - RM319
Thermaltake versa H25 RM135
CM Hyper 212X RM159

RM4897

if for non OC (u will get better GPU)

Intel Xeon 1231 V3 RM979
Asus B85M-G RM313
Leadtek GTX980 RM2179
2xCorsair Value RAM 8GB DDR3 1600MHz - RM458
WD 1TB HDD - RM 199
Liteon 900S 256GB - RM429
Seasonic S12II Evo 620W 80+ Bronze Fully Modular - RM319
Thermaltake versa H25 RM135

RM5011

but if u insist on the i7-5820k build

Intel Core i7 5820K RM1500
MSI X99S SLI Plus RM975
Zotac GTX970 Ref RM1300
Corsair Value RAM 8GB DDR4 2133MHz RM264 x2 = 16GB RM528
WD 1TB HDD - RM 199
Liteon 900S 256GB RM429
Seasonic S12II Evo 620W 80+ Bronze Fully Modular - RM319
Thermaltake versa H25 RM135
CM Hyper 212X RM159

RM5544

imo,
it the i7-5820k build wouldnt b much diffrent with the i7-4790k build in term of gaming performance,
myb just 1-5% dffrent on CERTAIN games,
on future proofing also will not make much significant diffrent,
unless if u have 6.5k budget, then it will b another case