Seems like Google, ~9 hours later, is beginning to recover from its temporary ban it set for itself. If you didn't hear about it, read Google Bans Itself - PR 0 and Not Listed.
At about 2AM (EST) this morning, results for Google.com started to be seen by searchers. Reports come from WebmasterWorld and Search Engine Watch around that time. Reports later on come from SEO Chat AND HighRankings.