I bought my 2000 ZX3 in '04 with 52,000 or so miles and I just turned 100,000. If everything goes well, it'll be boosted and tuned tomorrow. We'll see how it holds up from there.
00 ZX3 DD now with over 100K miles
Old turbo: 14b @ 9ish psi: 182.93whp, 188.57wtq (blown seals)
Chinese 16G @ 7psi: 180.62whp 193.6wtq (died at 5,000 rpms)
DSM T25 at 13 psi coming soon (third time's a charm, right?)