New comers looking forward to submitting a new gTLD application will now have to wait for the second round. As of 25 March there were 839 registered users in the TLD Application System (TAS) and this number will be updated.
When THE SECOND ROUND going to be is the question on every mouth at the moment. The Applicant Guidebook says: "The goal is for the next application round to begin within one year of the close of the application submission period for the initial round".
The Applicant guidebook also says it can take up to 20 months for an application to be validated by ICANN.