IMO the ‘made in’ label shouldn’t put you off at all. China makes decent instruments, both my Squier CV Tele and Epiphone Casino Coupé are MIC and punch well above their price tags. The Gretschs are no different, at least the ones I’ve played. It seems that when China makes proper, licensed products, rather than uncontrolled rip offs from spurious factories, the quality is good.
For complete transparency, I didn’t buy the 5420, although it was a very close shave. Instead, I saved myself a big chunk of change and just bought a Bigsby for my Epi...