Hello,
Recent Microsoft Windows operating systems seem to have a Berkeley DB-like engine which could be used instead of Berkeley DB:
http://blogs.msdn.com/b/windowssdk/archive/2008/10/23/esent-extensible-storage-engine-api-in-the-windows-sdk.aspxI assume since esent.dll is part of the operating system that it's free to use and no royalties have to be payed, unlike Berkeley DB which would require royalties to be used in commercial software.
Bitcoin's use of Berkeley DB is a financial burdon for commercial applications, because of the Berkeley DB license...
So for Windows perhaps EVENT can be used which would then make Bitcoin much more attractive for Windows developers
Bye,
Skybuck
=D