Announcement will be at 2:30 ET Thursday and some other notes

The announcement will be outside the Georgia Statehouse. Newt and Georgia Governor Nathan Deal, who has endorsed a Gingrich run, will also talk about reasserting the 10th Amendment.

Fox News has some details on his upcoming schedule:

He has been flirting with the idea for months and will travel to the First in the Nation Presidential Caucus state of Iowa on March 7th where he will address the Iowa Faith and Freedom Coalition. The trip will be Gingrich's third to the Hawkeye State in 2011 and his ninth visit since 2010.

Gingrich will also make an appearance in the first in the nation primary state of New Hampshire on March 17th when he attends Bernie Streeter's Wild Irish Breakfast. The annual St. Patrick's day breakfast in Nashua is a major political event in the Granite state that typically draws both Republicans and Democrats.

From CNN:

Will Rogers, the former chairman of the Des Moines-area Polk County Republican Party, told CNN that Gingrich is certain to run 'a high level campaign operation here' if he decides to move beyond the exploratory phase.

"My feeling is that he looks like somebody who is going to run," said Rogers, who has known Gingrich for six years and plans to work for him if he embarks on a full-fledged candidacy. "He is doing the things that people need to do in order to become a frontrunner in the state of Iowa."

ABC:

Iowa Republican Party Chairman Matt Strawn said he has been one of the most frequent visitors among likely GOP candidates.

"He's been helping local candidates and the parties raise money and appearing at local grassroots events -- the kinds of things you need to do in a caucus state like ours," Strawn said.

Mississippi Governor and potential 2012 rival Haley Barbour had this to say of Gingrich: "I'm crazy about him." Barbour was RNC chairman during Newt's Speakership.

Newt's PAC raises second most among GOP, spends more in Iowa than anyone else.

According to FEC reports, American Solutions PAC raised $314,000 in the last quarter. Among Republicans, only Sarah Palin had more, with $469,000. Both her and Gingrich outpaced, as the Washington Post put it, "longtime fundraising leader" Mitt Romney. Of all the prospective Presidential candidates -- Palin, Romney, Mike Huckabee, Haley Barbour, Tim Pawlenty, etc. -- Newt was the last to start a PAC. Yet in less than a year, he is competitive with the two top fundraisers: Palin, whose committee has been up for a couple of years, and Romney, whose PAC is nearly three years old.

So where was Gingrich spending this money? He spent the third most -- behind Romney and Palin -- on contributions "to other candidates and state parties."

And interestingly, much of Gingrich's money went to the state that has held the nation's first Presidential contest since 1972: Iowa.

Danielle Kurtzleben writes:

American Solutions, a political action committee founded and chaired by Gingrich, contributed $107,500 to Iowa politicians and the state party. Pawlenty's Freedom First PAC donated $82,000 in the state, and former Massachusetts Gov. Mitt Romney gave $50,100. Other possible presidential hopefuls spending on 2010 Iowa elections included Huckabee, who dropped $15,500; Palin, with $15,000....

Cary Covington, professor of political science at the University of Iowa, says that contributing to state officials' campaigns can go a long way toward mobilizing Republican voters. 'You need the support of the party at the local level,' says Covington. 'Getting people to come out on a cold winter night isn't easy, and (state-level politicians) are the people who have the connections and the organization to do that.'

On top of that, Newt's 527, American Solutions for Winning the Future, raised over 9.9 million dollars the first nine months of 2010. (527s can raise money in unlimited amounts, unlike PACs.)

Alexander Burns of Politico:

And even those figures won’t provide a full reckoning of Gingrich’s fundraising activities this cycle. According to data shared with Morning Score, Gingrich helped Republicans raise more than $7 million over the 2009-2010 cycle, through dozens of speeches and nearly $1.9 million raised for GOP campaign committees through direct mail. He also participated -- along with many others -- in a joint NRSC/NRCC fundraising dinner that brought in over $14 million for the two committees.

Gingrich spread his attention widely, but also put down deep financial markers in early primary states: In Iowa, Gingrich’s donations, speeches and other appeals guided some $256,000 to Republican candidates. In South Carolina, he generated $68,000 for the GOP. His New Hampshire presence was more limited, but he still brought in $5,000 at a speech to a state GOP breakfast and raised $18,000 for Sen.-elect Kelly Ayotte in combined small-dollar donations.

Given the earlier numbers, that means that through his "speeches and other appeals" in Iowa that Newt raised nearly $150,000.

Though it is not clear, it would appear that Newt's role in the larger campaign to remove three Iowa judges who called gay marriage a "constitutional right" does not count toward that above total as it was not a Republican Party effort.