Daily work and used features:

C#.net, XAML, T-SQL, XML & XSLT
LINQ Statements (Language Integrated Query)
Extension Methods
Delegates
Automatic properties
CTE (common table expression)
Table types and table-valued parameters
Silverlight & WPF

Newest traininigs:

Microsoft SQL Server 2008 - Performance Monitoring & Tuning (by R.Meyyappan from sqlworkshops.com)
Performance Tuning in C#.net (using ANTS Profiler)
Preventing Memory Leaks in C#.net and Silverlight
Microsoft SQL Server 2008 - XML-Datatype vs. relational tables

Currently used technologies (Mai 2011):

C# on .NET 4.0
Silverlight 4
WCF & WebServices
Visual Studio 2010 (Addons: PowerTools, ReSharper, GhostDoc)
GIT & SVN
IIS 7
SSIS
BizTalk

Overall knowledge portfolio

Languages

.NET-Technologie

Web-Technologie

Java-Technologie

Webserver

Database

CASE Tools

Other

.NET 1.1 (C++, C)

HTML/CSS, Javascript, XML/XSLT, WAP/WML

J2EE, JSP, EJB, servlets, portlets, Swing

IIS

Oracle

UML

LINGO

C++

.NET 2.0 (C+, C++)

PHP, Perl, Flash,

Struts MVC, Spring Framework, Hibernate

Apache

PostgreSQL

Rational Rose

ActionScript

.NET 3.0 (C#)

Mambo CMS, Typo3 CMS, AxCMS

Apache/Tomcat, JRun, JBoss

Tomcat

MySQL

MS Visio

JAVA

.NET 3.5 (C#)

Microsoft SQL Server

MS Project

PHP

.NET 4.0 (C#)

MSDE

JIRA

ASP

WCF, WPF, ASP.NET, Web Services

Access

Mantis

ASP.NET

Windows Forms, Web Forms, ADO.NET

Eiffel

Basic

Pascal

ABAP

HTML

CSS

JavaScript

Bash (sh)