The following are some suggested supplemental references to further your retraining effort.
CIL Programming: Under the Hood of .NET, by Jason Bock (Apress, 2002):
http://www.apress.com/book/bookDisplay.html?bID=88.
Windows 2000 and Mainframe Integration, by William H. Zack (Macmillan Technical Publishing, 1999):
http://www.amazon.com/ exec /obidos/ASIN/1578702003/.
.NET Magazine:
http://www.fawcette.com/dotnetmag/
Visual Studio Magazine:
http://www.fawcette.com/vsm/
XML & Web Services Magazine:
http://www.fawcette.com/xmlmag/
Automatic Memory Management (with the CLR):
http://msdn.microsoft.com/library/en-us/cpguide/html/cpconautomaticmemorymanagement.asp
Cleaning Up Unmanaged Resources:
http://msdn.microsoft.com/library/en-us/cpguide/html/cpconcleaningupunmanagedresources.asp
Common Language Runtime Overview:
http://msdn.microsoft.com/library/en-us/cpguide/html/cpconcommonlanguageruntimeoverview.asp
Dr. GUI .NET #4: System.Object and Garbage Collection:
http://msdn.microsoft.com/library/en-us/dnguinet/html/drguinet4_update.asp
Finalize Methods and Destructors:
http://msdn.microsoft.com/library/en-us/cpguide/html/cpconfinalizemethodscdestructors.asp
Microsoft Community (discussion groups, e-newsletters, and so forth):
http://communities2.microsoft.com/
MSDN:
http://msdn.microsoft.com
Performance Considerations for Run-Time Technologies in the .NET Framework:
http://msdn.microsoft.com/library/en-us/dndotnet/html/dotnetperftechs.asp
Performance Counters:
http://msdn.microsoft.com/library/en-us/cpgenref/html/gngrfperformancecounters.asp