I am also a happy new owner of a nice purple Pearl (mine's #61) and I'm in the process of changing switches and getting everything ready to suit my needs, as well.
Regarding BOM, as far as I can tell, the 4 case screws should be M3 x 6mm, the 2 weight screws M3 x 3mm and the 14 plate screws M3 x 4mm. Maybe Koob can confirm these sizes?