How long have you use it?

I R8 for two weeks.

What is so special that you like most and least?

The +: Ergonomics, the sequencer tracks.
The -: The multi effects did not yet convinced.

Have you tried many other models before buying it?

I had a Zommer MRS8 which has served me well for 5 years. It was my reference in the field and when I saw the R8 came out I sold the "old" to offer me the latest version.

How would you rate the quality / price?

Excellent!

With experience, you do again this choice? ...

Yes.