I'm currently running an i7-8700k with 16gb of DDR4 ram and GTX 970. I've been milking the 970 for a while now and honestly it's been pretty solid. Most of the games I play are FPS games on my 1080p 144 hz monitor. Is it even worth holding out for RTX series or getting a 1070 ti? I'm finding 1070 ti's on ebay for less than $300. I feel like if I get a RTX gpu then I'll have to upgrade my monitor. What are your guys thoughts?