Anyone rolled fuses in the Primaluna integrated?

The Melody I880 integrated and my current Raven Blackhawk are very similar to your PL. I've upgraded several fuses in both of those. Starting with Synergistic Blue, then Orange, and QSA light blue, they all made big worthwhile improvements with QSA being my favorite so far.  

I have Violet on order but if they can't ship this week will cancel and order the new Synergistic Purple, based on Frank's recent experience with this brand new fuse.

Why not try these 1st?
http://www.enjoythemusic.com/magazine/equipment/1021/Acme_Audio_Labs_Silver_Cryo_Fuses_Review.htm

I have a PrimaLuna Dialogue Integrated. I installed a synergistic research blue fuse and to be honest I couldn’t hear any difference in the sound profile. YMMV