Ubuntu – Which Norton Commander style filemanager do you recommend

Since version 1.8 Banshee does that:

Look at the release notes:

The Audiobooks library is now enabled by default, and audiobook tracks are now better organized into books. The last position in each book is automatically saved, so you can resume playing a book right from where you stopped.

Get Banshee:

lottanzb is a nice desktop client that integrates real well with sabnzbdplus which is a great web-based tool for this sort of thing.

I recommend just setting up sabnzbd and then connecting this to it, the nice thing about sab is that it has integration with a ton of tools, so your phone, media center, etc. work real well with it.