IPv6 situations nowadays...

All 4 *BSD has KAME stack integrated
Linux support is tremendous
Native ISP service will start in summer 2000
"IPv6 showcase" booth
more-than-10 vendors are gathered
quake-over-IPv6!
N+I network is totally IPv4/v6 dual stack
IPv6-only terminal cluster

Take a look at how people uses IPv6, and what is lacking