Here's the latest recurring update of the upcoming events and user group meetings for developers in the Northeast.  Know of other events or user group meetings?  Please let me know!

Connecticut

May 22, 6-8 PM
Connecticut .NET User Group - Farmington, CT
"SOA with Windows Communication Foundation (WCF)" - Mark Mullin

June 5, 6-9 PM
Fairfield/Westchester .NET User Group - UConn, Stamford, CT
"Spring.NET and AOP" - Jean Barmash

June 12, 6-8 PM
South CT .NET SIG - Shelton, CT
"WCF Deep Dive" - Allan da Costa Pinto

June 26, 5:30-8 PM
Connecticut .NET User Group - Farmington, CT
"C# 3.0" - Richard Hale Shaw

Massachusetts

May 16, 6:00 - 8:00 PM
Boston .NET Architecture Study Group - Waltham, MA
"Test Driven Development and Domain Driven Design"

May 17, 5:30 - 7:30 PM
Team System Public User Group - Waltham, MA
"Project Server Integration with TFS" - Todd Mancini

May 22, 6:00 - 7:30 PM
New England SharePoint User Group - Waltham, MA
"MOSS - An Enterprise Content Management Perspective" - Russ Edelman

MSDN Events:
May 22, 1-5 PM, Westborough, MA
June 7, 1-5 PM, Boston, MA

  1) Next Generation Identity Management: Windows CardSpace  
  2) Revving up Cross-Browser and Cross-Server Web Sites with the Microsoft AJAX Library 
  3) Best Practices for Building Next Generation Web Applications Using Microsoft ASP.NET AJAX 

May 23, 6:00 PM
Cape Cod .NET User Group - Bourne, MA
"Ruby on Rails" - Peter Mangiafico

June 7, 5:30 - 7:30 PM
Beantown .NET User Group - Boston, MA
[Topic TBA]

June 7, 6:15 - 8:30 PM
New England Visual Basic Professionals - Waltham, MA
"Windows CardSpace" - Bob Familiar

June 12, 6-8 PM
Western Mass .NET Users Group - Easthampton, MA
"Introduction to Windows Workflow Foundation" - Chris Bowen

June 13, 5:30 - 8:30
Boston .NET User Group - Waltham, MA
1)  ".NET Technology Series" - 5:30 - 6:15 PM
2)  ".NET Development for the 2007 SharePoint Technologies" - Bob German - 6:30 - 8:30

June 14, 6:30 PM
New England SQL Server User Group - Waltham, MA
"MS Access for the SQL Server DBA" - Dean Serrentino

June 19, 7-9 PM
C# User Group of Greater Boston - Waltham, MA
"Understanding ASP.NET AJAX and the AJAX Control Toolkit" - Jason Beres

Maine

June 12, 1:30-3:30 PM
Maine Developer Network - Augusta, ME
[Topic TBA]

June 14, 6-8:30 PM
Maine Bytes User Group - Portland, ME
[Topic TBA]

New Hampshire

May 17, 9 AM - 4 PM
Bob & Chris' MSDN Roadshow - Nashua, NH
  1) XML and the Database - A Love Story
  2) What's New From the Patterns & Practices Group?
  3) Silverlight
  4) ASP.NET AJAX - Going Deeper

May 17, 6-8 PM
New Hampshire .NET User Group - Tyngsborough, MA (Yes, Massachusetts)
[Topic TBA] 

June 5, 1-5 PM
MSDN Event - Nashua, NH
  1) Next Generation Identity Management: Windows CardSpace  
  2) Revving up Cross-Browser and Cross-Server Web Sites with the Microsoft AJAX Library 
  3) Best Practices for Building Next Generation Web Applications Using Microsoft ASP.NET AJAX 

June 6, 7:00 PM
New Hampshire SQL Users Group - Nashua, NH
"Application Development Methods and Tips" - Michael Leto

New York (Upstate)

May 23, 6:00 - 8:30 PM
VDUNY - Visual Developers of Upstate NY - Rochester, NY
"ASP.NET AJAX" - Andy Beaulieu

June 6, 6:00 PM
Central New York .NET Developer Group - East Syracuse, NY
[Topic TBA] - Les Pinter

June 14, 6:30 PM
Tech Valley .NET Users Group - Latham, NY
[Topic TBA]

Rhode Island

June 6, 5:00 - 8:00 PM
Rhode Island .NET Users Group - Bristol, RI
[Topic TBA]

June 13, 6:00 - 9:00 PM
Southern New England SQL Server User Group, Warwick, RI
"Effective SQL Server Monitoring with Microsoft Operations Manager 2005" - Thomas LaRock

Vermont

June 18, 6:00 - 8:30
Vermont .NET User Group - Burlington, VT
"Designing for Operations" - Keith Pleas 

[Update 5/22 - Added Tech Valley .NET Users Group]
[Update 5/22 - Added Fairfield/Westchester .NET Users Group]