Cutting right to the chase, I site CNN as my main source for information, and will attempt to corroborate with other sources.

Arizona passes proposition against gay marriage:

Arizona Proposition 102:
Ban on Gay Marriage
Yes:1,039,606:56% - Yes to ban
No:801,279:44%
99% of precincts reporting

Arkansas bans gay couples adopting children.

Arkansas Initiative 1:
Ban on Gay Couples Adopting Children
Yes:573,774:57% - Yes to Ban
No:434,344:43%
96% of precincts reporting

Proposition 8 California

California Proposition 8:
Ban on Gay Marriage
Yes:5,019,930:52% - Yes to ban
No:4,656,291:48%
92% of precincts reporting

Doctor Assisted Suicide Washington State

Washington Initiative 1000:
Allow Doctor-Assisted Suicide
Yes:931,707:59% - winning, yes to assisted suicide
No:653,275:41%
54% of precincts reporting

http://www.cnn.com/ELECTION/2008/results/ballot.measures/