Aaron Bertrand (@AaronBertrand) explains a few details about the memory limits in SQL Server 2016 Service Pack 1 that make this upgrade even more compelling.
Microsoft has made a bold change to SQL Server 2016 in Service Pack 1 : Many Enterprise features are now available in lower editions. Read on for details.
Updated April 17, 2015 : SQL Server 2014 Service Pack 1 has been released, but was quickly pulled. This post explains why and shows how to fix any affected instances.