Time into the city depends completely on rush hour. It's half-hour at midnight, but can be up to 1:30 during rush.
If you enjoy gambling you can make the 2hr trek to Atlantic City one night. If you go to a shore casino, you can also see the Atlantic Ocean for a token 5 minutes.
Top class comedy downtown at the
Helium Comedy Club and they have Wednesday and Thursday shows.
If you are staying at the Holiday Inn Express, the bar at the Desmond, down rt 29, is much better. If you are staying at the Sheraton, I don't know. There used to be a large happy hour scene at the Boathouse, don't know any longer.