Diff between SQL Navigator Xpert and SQL Navigator Development Suite ?

Can someone tell me what is diff between Navigator Xpert and DEvelopment Suite?

Hi,

SQL Navigator Development Suite: (includes SQL Navigator Xpert, Quest Code Tester for Oracle, Benchmark Factory for databases- Oracle edition).

More info is available from the following link http://www.quest.com/sql-navigator/configurations.aspx

Thanks and regards,
Bruce