Enterprise Edition provides unlimited YouTrack functionality for $1,200, or $600 if purchased before the New Year 2010.
Professional Edition is limited to 10 projects and 20 user accounts, and doesn't support LDAP authentication. However, it's only a quarter of the price at $300, or a mere $150 if purchased before the New Year.
For both editions, you will receive 1 year of free technical support and upgrades.
YouTrack offers the following key features:
Issue reporting
with a single shortcut from anywhere within the product.
The first commercial product developed using MPS, YouTrack has been adopted by most JetBrains projects, including TeamCity, dotTrace, Web IDE, and
MPS. Following YouTrack Beta release last month, IntelliJ IDEA and RubyMine have also migrated to YouTrack. As a result, both products saw increased user involvement with multiple feature requests and bug reports helping accelerate the issue resolution cycle.
The following resources are available for you to explore YouTrack and get up to date with the latest development news: