If you want to help, try the following organizations. Some of them I have used myself, and others are favored by people whose opinion I trust. By no means is this list exhaustive. Also, waiting to see which organization's donations will be met with matching funds might also be a good idea.
( Links )
I'm getting my news from family members via telephone and fb. Oh! If you're on facebook, you might want to look at
Haiti 7.0 Earthquake news, info, pictures--For Us, By USNumerous, Good Intentions Are Not Enough & the Koneksyon Missing Person List.
Twitter feeds that may be useful are: http://twitter.com/InternetHaiti and also http://twitter.com/carelpedre
Some of my family is still unaccounted for in P-a-P.