I applied for adsense on the 24th and was approved on boxing day (26th). Just be patient, they probably have a long list
I think it's quite possible that they're a bit behind due to the holidays, and perhaps some employees have vacations as well.
yes you can apply again for another site, they will reject you depends on your site... i don;t think they reject for any other reason but after creating an account there are hell a lots of reason for them to block your account