A new Toad for DB2 Beta build 5.1.0.452 is available at:
http://toadfordb2.com/beta.jspa
This drop contains fixes and enhancements.
The list of fixes and enhancements can be found in the Beta release notes at:
http://toadsoft.com/toaddb2/ReleaseNotes/Beta/ToadDB2BetaRN.htm
Vlas Titov