Pessoal, aqui nessa página resolvi separar alguns links, aqueles que todo desenvolvedor de vez em quando precisamos acessar. 

Visual Studio 2008

• Service Pack 1 (installer)
• Service Pack 1 (iso)
• SDK Version 1.0
• Hotfix: Performance and Editor Fixes

Team System 2008

• Team Explorer
• Database Edition GDR R2
• Service Pack 1 Forward Compatibility Update for Team Foundation Server 2010
  

.Net FrameWork

• 3.5 Service Pack 1
• 4.0 Beta 2
• 2.0 Software Development Kit (SDK) (x64)

Team Foundation Server 2008

• Service Pack 1
• Power Tools - Outubro 2008

Sql Server

• Service Pack 1
• Community Projects & Samples
• Samples
• Express Edition
• Express Editon Service Pack 1

Visual Studio 2010

• Site
• Beta 2 Ultimate (iso)
• SDK Beta 2

Team Foundation Server 2010 

• Beta 2 (iso)
• Team Explorer Beta 2

Add-Ins Visual Studio

• CopySourceAsHtml
• CodeRush
• SqlAzureExplorer

Ajax

• ASP.Net Ajax
• jQuery
• jQuery 1.4 (Cache)
  
• jQuery UI
• Glimmer
• jParse - jQuery XML Parse Plugin
• DynaTrace
• jLinq
• TyniMCE

Microsoft Security Essentials

• Site

Web 

•  Microsoft Web Platform Installer 2.0

E-Books

• Arquitetura e Soluções
• Application Architecture Guide 2.0
• Development with Visual Studio Team Foundation Server
  

Diversos

• Pencil (Traditional Animation Software)
• http://www.axure.com/
  

Arquitetura

• Layered Architecture Sample for .NET

JQuery

• Masked Input Plugin
• jQuery AlphaNumeric
• Watermark Input Plugin
  

E-Commerce

• PagSeguro

Ferramentas

•  Debugging Tools for Windows

Nota Fiscal Eletrônica

• http://www1.webenefix.com.br/nfe/
• http://nf-eletronica.com/blog

 HTML5

• http://html5shiv.googlecode.com/svn/trunk/html5.js 
• HTML5 doctor
• HTML5 gallery
• HTML5 demos

;)