Installer is available on the TDA Community website: http://www.toadworld.com/products/toad-data-point/toad_data_point_beta_program/default.aspx
Please note: There is no 64-bit installer anymore.
The latest list of fixes and enhancements can be found in the Release Notes:
http://dev.toadfordataanalyst.com/releasenotes/beta/ToadforDataAnalystsRNBeta.htm
TDP Development Team