First of all, there is going to be a Dark Tower adaptation by Sony in 2017.
Second of all, according to Deadline Hollywood, there is now a huge chance that they're not going to screw it up, because Idris Elba is a frontrunner to play Roland.
Which got everyone all like:
Here's a taste of the awesomeness that could be in our future if everyone just stays cool and sees this excellent idea through to the end:
Thankee Sai!
CORRECTION
Sony is adapting The Dark Tower for the big screen. A previous version of this post misidentified the planned film as a TV series.