Less about writing, more about testing: the Smashwords Tools have moved to http://www.smashingreads.com.
The move had been planned for a while, but after Smashwords downtime due to the Slicehost failure it became obvious we needed it. The new setup has server caching that should keep the widgets visible throughout any downtime.
And there's a new widget to go with it: author minisites with convenient links to third parties. Rather than detail them, I'll just show you mine as an example: