Well... I think I've settled on my want list, but can use a bit more help:

Bearings: Who to buy from for the plastic-safe lubricant compatibility...

Replacement gun barrels: Are either worth it (Tamiya's or AFV's...)

PS: My detailing want list:

AC - 16 - 301 Basic Kit (cables, shackels, lamps) 31.50 €
AC - 16 - 302 Mirror Kit 10.60 €
AC - 16 - 304 Trailer Hitch 10.25 €
AC - 16 - 023 MG3 - Ammo Belt 4.90 €
AC - 16 - 026 MG3 - weapon and mount 21.50 €
AC - 16 - 310 Track Tension Adjuster 34.95 €
AC - 16 - 321 Gun Barrel Lock 9.85 €

UPC-1 Pitch Control Unit $69.95