K or no K?

So, Theirs this deal going on Newegg, and their selling a few things on my wishlist build, a z97 pro and the i7 4790, but on my wishlist its 4790k, but I thought I'd ask you guys if its worth saving up to get the 4790k, or should I just get the 4790; also should I buy the motherboard now?

Plan on overclocking - Get the K

Not planning on overclocking - Get the Non K

If your current mobo (and system) cannot support at 4790k then yes get the mobo, a CPU alone wont do you any good.