the skip ahead and instant reply times are *not* what you are looking for. They just change the number of seconds to skip forward or back. I've not head of a way to change the plaback speed for that first step of the fast forward (i.e. the one where the video and audio are sped up but it is still watchable).
yes, thegreenbutton has imgrated to experts.windows. I'm not sure if i like it anymore. try the next biggest media center site i know of: http://www.pcmediacenter.com.au/