Electoral votes: 15
2004 result: Kerry 53%, Bush 46%
2000 result: Gore 56%, Bush 40%
Most recent Republican win (1988): Bush 56%, Dukakis 43%
African American percentage: 14.5% (national average is 12.8%)
Link to polls in Real Clear Politics
Those polls show a wide range, from a three-point Obama lead to a 13-point Obama lead. New Jersey is clearly leaning in Obama's direction, but McCain can't be totally counted out.
New Jersey is a typical northeastern state in the sense of having formerly been a Republican bastion, but having turned more Democratic as the Republicans have become a more Sun Belt oriented party.