Generally speaking, there is no particular way of suiting for everyone to improve his listening comprehension.
In my view, you should know yourself first. For most of young people, they are much easier to improve their listening comprehension than adults by communicating with foreign people.
Secondly, what is your current goal of improving your listening comprehension?
--- Passing an examination? use more "学院派".
--- Looking for a job? practice abour the topics of that jobs you want. Also can use more "学院派" but the contents should be connected with your job topics.
--- Want to improve your listening comprehension in daily life, you'd better choose Mr. / Ms. "[溪谷]"'s way.
In a word, according to your own situation, work hard, keep up, and find some your own shorcut. You will be the final winner!