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.