Francis Preve has posted a great tutorial on compression over at Beat Portal. It's a great tutorial that is easy to follow and understand. If you're interested in production this would be recommended reading.

Ableton has an offer going on at the moment that would let you buy Ableton and get operator for free.

Ableton Live 7 and Ableton Suite have just been released. Ableton renews the core of Live with enhancements to the audio engine, new and improved devices, better MIDI timing and hardware integration. They have also included the most requested features and heaps of other stuff.