Found this <img src=/S/free.gif border=0 alt=free width=30 height=15> program Ultr@VNC. The version is 1.0 RC18 - so it may not quite ready for prime time. Here's the program description from SourceForge:

Ultr@VNC: Video driver and ddi accelerated win32 server. Compatible with tight and real viewer and servers. Buildin Filetransfer, dynamic Single window/desktop switching, dynamic server input lock, Auto resize on desktop (res/depth) change, ms-logon (gr