Wow! That's bad luck Marco!
I've not heard of an SPU headshell & mounting bayonet coming loose fault before. Hope it gets sorted quickly. I think I would be wanting a brand new SPU TBH.
Unlucky with the tonearm too mate, see you should of bought an FR
alfie
Main System: Denon DP-6000 VPI Base/Fidelity Research FR64s/Ortofon SPU Royal GM MKII/Shelter 901/Auditorium 23 SUT/Pure Sound P10/SB Touch or Audio Note CDT & M2Tech Young Dac/BL Audio LP-1/New Audio Frontiers KT66 Legend/Living Voice OBX.
2nd System: PC/Foobar/E-MU 0404 pci (Modded)/AVI ADM9/Rel Strata II subs.