It's not cheap, but a hundred bucks isn't unreasonable for the extra features. No, your cleanups won't sound like the studio-quality work done from master tapes, but it can make an old album that went to too many parties listenable again. Our review covers the features, including some specific to creating MP3s and MP3 playlists. It also includes an MPEG-1 encoder for making movies. But as usual, packaged, third-party utilities have more features and feel more finished than those you get with the operating system.
Virtual reality is great for games and architectural simulations, awful for everything else.
Not every site needs a 3-D interface, but for those that do, with large amounts of information that's best navigated visually, the pickings are kind of slim. I keep wanting to implement it on a site. It has considerable sophistication in the way you link things together, endowing them with physical world properties such as magnetism, viscosity, and elasticity. Some of the items that you link are nodes and other are edges. You define their interactions, so that users' browsing causes associations to display visually on the screen.