2080 ti 1080 ti rendering 3d

So i've just taken advantage of OCUK and their £150 Ryzen 1700X and now i'm after a graphics card for 3D rendering. So the 2080 Ti is about to be released, but really, £1100? Nope. So is it worth getting the 1080 Ti, now, wait 2/3 weeks for the 2080 Ti to be released (so the 1080 Ti drops even...