Hi, what the best budget/ price for the below spec:

Intel core i709700/3Hz/ 12MB/LGA1151 processor MSIZ390 Gaming plus motherboard
Corsair Vengeance RGB  pro 16GB (2x8GB) DDR4 32nnMhz CL 16 DIMM
Water cooling AIO
Corsair Hydro H1501 pro RGB 360
Seagate barracuda 2TB 3.5" HDD for pc
Samsung V-nand SSD 970 EVO plus NVME M.2 500GB
ZOTAC gaming Geforce RTX 2070 super SMP graphic card
Thermaltake view 21 TG ATX casing
1st Player steampunk ps-650sp psu 80 plus gold 650w power supply
TP=Link gigabit PCI express network adapter
AIGO darkflash DR12 pro 3 in 1 addressable RGB fan with motherboard sync
BenQ Zowie XL2411P 24" LED gaming monitor
Window 10 pro original

What the best price to cistomize this? Also any other better choice/options?
Pls suggest a good keyboard?
Thank you very much
ASAP