I'm the happy, original owner of a 2000 Sentra SE. Its lowered ~1" on a Nismo suspension setup, has 17" Nismo wheels installed and an aftermarket audio system. The odometer shows ~109k miles.
Unfortunately, its beginning to show its age in cosmetics, modern comforts and performance, so I'm considering buying a Z sometime in Winter 2010/2011 or Spring 2011. Until then, I'll be lurking about the forums.
A couple pictures from last year: