I got seasons 1 & 2 on DVD, and will eventually get 3. The others I have not seen though I am curious to see the final two episodes to see how they wrapped it up. I never watched Angel beyond a minute or two here and there (literally) but tuned in to see the final two on that. I was shocked that Whedon had a senator figure who was remarkably close to Hillary(!) in appearance and attitude.
bttt
The final ep was kind of a disappointment (to me, anyway) becaue we really didn't see what happened to Buff and the rest of the gang. The only hint we've had since then was a mention or two on ANGEL that Buffy and Dawn were living in England now. Cordelia died on the show, as well (bitter for me, since I've had as HUGE crush on Charisma Carpenter since the series premiere :)