Since Canada seems to have legalized gay marriage, it seems that we will be under pressure in the US to do the same thing.
I have usually been pro-gay rights, but this intitiative has always puzzled me. Marriage has become so degraded as an institution that it hardly even seems worth the candle. The only things of any significance left of the institution of marriage are the division of property and the rights of children to support. The former right can be obtained in other ways, as can miscellaneous other rights associated with marriage, like better insurance rates, and the latter usually isn't an issue for gays and, in any case, is routinely enforced with or without marriage.
I think that gays will eventially get the right to marry in the US. But when they do it won't, as they seem to hope, signal increased acceptance of gays as much as it will signal the further decline of the institution of marriage.