You can pay with Paypal or via a credit card, through this link

Landscape currently costs: $40*

* Builds Responsive, Accurate Websites

* Rapidly Prototype Web Pages

* Rebuild Your Old, Crusty Website Quickly

* Builds *Fast* Sites, Optimized for Mobile Devices

* Connect with Facebook and Other Social Media

* Detects and Uses Google Fonts

* 64-Bit app for OS X 10.7 or later

Your Landscape key will be emailed to you within 24 hours of purchase. This key is good for all future versions of Landscape during the 1.x product cycle!

*This price is good for version 1.0.0 only. As new features are added, the price will go up.

Register Now!

and this is where it gets good

Landscape