I received this kit in the mail last week. I haven't had a chance to use it yet, though (tank is in the process of a dry-start).
Since I'm going for a more Amano-esque look, I decided to ditch the black plastic bubble counter and diffuser and bought some glass ones off eBay instead.
Here is a pic of how it'll be set up on my Mini-M (minus the water):
Stock bubble counter and diffuser: