When installing Steam using their downloading system, CrossOver Games will take care of downloading the installable Windows file from Valve Software and installing all necessary fonts and other dependencies. This is the difference between running WINE manually and using the CrossOver products.
This is the first release of this product and not everything is perfected. Some interfaces show the version at 6.2.0 while the included release documentation shows CrossOver Games at 7.0.0. Some of the graphics in CrossOver Games are for CrossOver Professional, but their products are closely related.
Within five minutes of installing the CrossOver Games demo, we had Steam installed and were downloading Half-Life 2 and Counter-Strike: Source on Ubuntu 8.04. The process of installing Steam on CrossOver Games was very quick and painless. Installing CrossOver Games itself is also very easy -- it continues to use the Loki installer and CodeWeavers does produce RPM and Debian packages.