General opinion on the Biturbo Spyder?

[Church of Noise]

Given that after 2.5y,my Gransport Spyder is ready-ish, I'm pondering about the Biturbo spyder (2.8 because more is better )

What is the general opinion on these? Run run run or hidden treasure or something in between?
I'm not madly in love with the looks but they're deliciously 80s in a way and I like the noise they make. Going to try one soon (had the chance of trying a Shamal recently and enjoyed that, I'm aware it is a very different animal though)

Looking forward to reading your experiences and input!