Except that you don't get to play with the GTX 980 TI amount of GPU power for the next 1.5 years.
Exactly, some people forget that we are talking about graphics cards we use for gaming. It could all be considered a "waste" of money depending on how you want to look at it. These are luxury items we buy for our enjoyment. All too often when someone's brand of choice isn't the one that's highly sought after, they turn into financial consultants, preaching about what is the "smarter" buy.
Half the enjoyment is being an early adopter running through benchmarks and sharing your results.