KM780 vs K70

[Retrivius]

G.Skill KM780

http://www.ncix.com/detail/g-skill-ripjaws-km780-rgb-mechanical-7c-116483.htm

or

Corsair Lux K70

http://www.ncix.com/detail/corsair-gaming-k70-lux-rgb-ed-130721.htm

[Aytex]

Neither 

 

WASD V2 (They ship with ABS Keycaps so get some quality PBT Keycaps)
MAX Nighthawk (Can customize all you want at checkout)
CM quickfire (Nice minimal TKL Keyboard, Would get PBT Keycaps as well)
Pok3r Vortex (60% RGB keyboard)
CM Masterkeys Pro S or L 
Ducky 5 (Hard to find in stock)
Leopold FC900 
topre Realforce RGB (If you're into topre)

 

 

but if you REALLY want one of the two you listed k70 for sure.