- How long have you use it?
2 years

- What is so special that you like most and least?

Provided know how to handle the soldering iron is a good produit.ÉDIT FOLLOWING A MP: this version to make the KIT (not pejorative) if not to my recollection there is a version installed.
Simple and effective (automatic installation for XP: no need for additional driver).
Compatible with freestyler and other (soft or home ...)

- Have you tried many other models before buying it?
my first DMX interface

- How would you rate the quality / price?
it is good

- With experience, you do again this choice? ...
Under the same conditions (budget, use): Yes

Note:
For intensive use the USB is a bit fragile