When is next CTP instalment of SQL Server 2008 set to released?

Its nearly 90 days from SQL Server 2008 November CTP and as per the CTP release cycle (90 days) the next instalment of SQL 2008 may be ready by end of this month. I feel that may be the last one before the RTM or as per the communication from Microsoft product development team feedback, but looking at the recent release postponement we may see another 1 or 2 CTPs for SQL Server 2008? Also in the recent outcome of Data Platform Insider blog refers that ...start of the global launch wave on February...(<a href="http://sqlserver-qa.net/blogs/sql2008/archive/2008/02/14/3515.aspx">read more</a>)<img src="http://sqlserver-qa.net/aggbug.aspx?PostID=3515" width="1" height="1">