KBShortcuts Tweak Will Greatly Improve Your iPhone Productivity
KBShortcuts by iSam is an upcoming jailbreak tweak that will greatly improve your productivity on the iPhone by introducing a huge amount of shortcuts to the keyboard.
The tweak uses a swipe from the spacebar to other characters on the keyboard to perform 30+ commands and 10 custom text insertions.
KBShortcuts will be $2.50 when it's released. iDB got an early look at the beta which can be seen below...