Barack Obama will be sending out a text-message telling his supporters his pick for vice-president Saturday morning, which still remained secret Friday evening.

Potential running mates spent most of the day trying to make themselves scarce to the media, but a few tidbits have trickled through.

Two of the main contenders, Virginia Gov. Tim Kaine and Sen. Evan Bayh of Indiana, have been called by Obama to say that they have not been chosen party officials said.

Sen. Joe Biden of Delaware, is now believed to be the clear frontrunner and maintained an unusually low profile as reporters waited outside of his home.

Others believed to be on shortlist, such as Kansas Gov. Kathleen Sebelius, remained mum.

"No, no, no, no, no, no, no, nooooo," Sebelius told reporters when asked about the search for Obama's search for a vice-president.

Another revelation Friday was that Sen. Hillary Clinton's financial records were not requested by the Obama campaign, meaning her long-shot chance at the VP position is even more unlikely.

A surprise name popped up as well. Little-known Rep. Chet Edwards of Texas emerged as a contender, although how seriously he was considered is not known. Edwards, who has been on Congress for 18 years, is chairman of the House Military Construction and Veterans Affairs Appropriations Subcommittee.

Three days before the Democratic convention in Denver, officials said that the Obama campaign even printed out campaign material with the names of several potential ticket mates. This came after a report out of Kansas said that Obama-Bayh signs were spotted there.

Biden is considered the frontrunner because of his extensive foreign policy appearance, which contrasts with Obama's relative inexperience on that portfolio.

However, Biden took several pointed shots at Obama during the Democratic primaries, which are sure to be used by the Republicans during the campaign.

Polls show that Obama is neck-and-neck with Republican John McCain. McCain is expected to announce his VP choice after the Democratic convention ends.

With files from The Associated Press