Obama is the frontrunner so far.

MSNBC has an article which details the Dem primary results so far.

Hard Count Delegates:
Obama: 1078
Clinton: 969

with Pledge Delegates (+/- 5):
Obama: 1128
Clinton: 1009

with Super Delegates (+/- 5):
Obama: 1306
Clinton: 1270

Total Votes

States Awarding Delegates
Obama 9,373,334 50%
Clinton 8,674,779 46%
Others 726,095 4%

With Florida
Obama 9,942,375 49%
Clinton 9,531,987 46%
Others 984,236 4%

With Florida and Michigan
Obama 9,942,375 47%
Clinton 9,860,138 47%
Others 1,249,922 6%