Built in help (For each module on it's panel you could have a link that showed some basic info for that control etc)
Delayed Type Text (Simulate Human typing speeds)
Check Internet Connection
Pause/Play Control
PHP Scripting (Would be amazing)
RSS/Atom Feed Processing
Image Recognition (Like Sikuli)
Spin Text
URL Shorten (Bit.ly etc)
User Coded Javascript Modules (Not just javascript but to make actual modules that are saved to a library. Then users could share, for example if i made a useful random name maker for forums then i could share and people could use it in their bots also.)
SDK (To make new modules etc, like the javascripting modules idea but with C++ etc)