From Wiley-Blackwell Online Content Transition News:

“As of Monday, June 30th 2008, Blackwell journal content—including full-text HTML and PDF versions of articles from current issues, backfiles, and issues published online before print—will be incorporated into Wiley InterScience.”

This means that Blackwell Synergy journal content will not be available after 12 noon Saturday 28 June until migration of content to Wiley is completed by Tuesday 1 July. Wiley InterScience will also be unavailable for a period covering Sunday/Monday 29/30 June.