Tachyon supports three menu systems, the Mootools enhanced CSS dropdown menu Fusion, the new and enhanced dropline system Splicemenu, and the venerable Splitmenu.
Accompanied by Adobe® Fireworks CS5 PNG source files, allowing for quick and easy modification of the logo, and other template image elements.
There are several packages available, the standalone template archive which you will use if you have Gantry already installed, and the bundle pack, if you haven't installed Gantry.
Go to Extensions → Template Manager → rt_tachyon_j15. Mouseover the labels to view a description of each parameter.
There are several sites which offer a range of useful resources for using Joomla, beyond the core specifics of the Tachyon template:
Below are a series of video screencasts for the Gantry Framework.
Download and install the Bundle file if Gantry is not installed, use the Standard Template file if Gantry is already present.
Deploy a replica of the this month's demo with ease, using the readily available RocketLauncher package.