From the BBC:

Hamas win sets world a conundrum

Hamas win sparks soul-searching

Palestinians to face economic pressure

From the NYT:

How Hamas rose from wild card to power

A little democracy or a genie unbottled

In Hamas's overt hatred, Israelis see hope

From The Observer:

Now the real test for Hamas

From the Washington Post:

Some Palestinians see end of secular dream

U.S. policy seen as big loser in Palestinian vote

From the Los Angeles Times:

Israel assesses a new reality

From Salon:

How do you like your democracy now, Mr. Bush? (free with a daypass)