I do agree that an improvement in the media management would be a real bonus.
When working on two or more projects at a time, unless great care is taken to change the setting in the control panel each time you move to another project, the files for one project get mixed up with other projects. It is quite easy to get mixed up and later delete one of the projects while still working on one of the others and you end up with loads of red slices on the timeline.
How about making one of the things to set up when starting a new project is the disc location of the folders that will be used for the data and rendering. That way when changing projects, everything stays in the correct place.
Another feature I would like to see is an all singing and dancing DVD authoring package. One that does everything you can do with a DVD and does it well. I would be prepared to pay for this as an extra program or plugin that integrates with the Liquid timeline. The present DVD authoring leaves a lot to be desired, especially the annoying complete loss of all navigation settings if you change anything at all, which needs to be addressed.
I've come in late on this one and I don't want to trawl through all the pages of suggestions, so apologies if this is already covered.