If you’ve been thinking of attending either MIX09 (March 18th-20th), or VSLIVE! San Francisco (Feb. 23-27th), read on…until February 13th, you can get $400 off the regular price of MIX09 registration:

MIX09 is coming! Register by Feb 13 and Save $400!
When you register by February 13, you’ll receive $400 off the conference price – that’s a full conference pass for only $995, which means you have an extra $400 to help offset hotel or airfare costs. To take advantage of this offer, go to registration and select the "Register for the event using an RSVP Code" option.  Enter the RSVP code MIX09offer to receive your discounted conference pass.

If you register to attend both the San Francisco MSDN Developer Conference and the VSLive! show running that same week, you’ll get a discount on your choice of VSLive! packages. And if you register by February 4th, you can get two registrations for the price of one. See here for details.