MS just spread the info in a timeline document, that the RTM version for Windows 2000 ServicePack 4 will be released on June 18th...

The final version will be available in English and German first. Here is a shortcut of this timeline:
The final edition is due to be released in English and German form to RTP (Release to Premier) on June the 16th. Shortly afterwards the RTW/RTM (Release to Web / Release to Manufacturing) will be released on June the 18th.

In a document entitled "Windows 2000 Service Pack 4 Readiness Guide, v1.2 (28th May)" Microsoft outlines key dates for the release of SP4.

Release to Manufacturing (RTM) - June 18, 2003 Release to Premier (RTP) - June 16, 2003 Release to Web (RTW) - June 18, 2003 North America CD Fulfillment - CDs ship to end users 4-6 weeks after RTM Channel Availability (Select) - Standalone and Integrated Code ships in the August kit Channel Availability (Open) - Available to existing customers via WWF SP4 SKU or by downloading; New customers receive integrated SP4 in their first kit.

This news comes directly from our partnersite Neowin.net