Firebird 2.1 is in Alpha state

Here is the link of release note FB2.1Alpha. Wow it's time to try.
Some cool feature:

1. Use of domains for Trigger/SP variable definition (SQL Server or MySQL doesn't have it (CMIIW))
2. Global temporary tables
3. Common table expressions, recursive queries
4. Database Triggers
5. Database Monitoring via SQL
6. Admin information via select
7. Get ODS Version and Dialect via SQL