discoDSP are currently offering you the chance to purchase Vertigo at a special cross-grade discount price of 60 EUR if you own one (or more) of the following plugins:

• Big Tick Rhino
• Camel Audio Cameleon 5000
• ConcreteFX Adder
• ConcreteFX Ethereal
• VirSyn Cube Synth
• White Noise Additive
• White Noise Doppelmangler

Information on how to get the cross-grade can be found on their site. They have also reduced the price of HighLife and Discovery to 95 EUR / 120 USD / 65 GBP each.