The latest Toad is now in production, 11.5, get it from http://toadfororacle.com.
If you have an old license key, 9.6 or older, it may complain at installation time, just ignore. It will be fine at run time.
Enhanced TAB browsing experience, nicer and more visible colors for your connection (production=red…), read-only connections.
Currently it still requires a 32bit clients, even when running on a 64bit Operating System.