S4BB Limited is currently having a sale on their NextAction! Standard Edition productivity application for BlackBerry where you can save 50% today only! Here are the features:

• One click context (category) change
  You do not have to configure Filter anymore!
• 100% compatible with internal Blackberry Task Application
  You can use “NextAction for Blackberry” and the internal application simultaniuosly if you want
• Synchronizes with your standard desktop- and corporate environments
  Works with Microsoft Outlook, Lotus Notes, ACT!, Novell Groupwise, etc. (any software which synchronizes your tasks will work).
• Quick add “next actions”
  “NextAction for Blackberry” uses the clean and simple approach to GTD: no priorisation, only one context per action, easy and quick input
• Hide categories that are not task/next action related
  You can select categories that should not appear in NextAction!, e.g. the categories of your Contacts, Notes, Calendar
• Contexts are sorted alphabetically
  Contexts beginning with “@” appear on top of the list
• Projects
  Project support allows an additional dimension in categorization
• Someday / Maybe
  Someday / Maybe list support provides the possibility to set up low priority actions
• Customizable user interface
  Additional list info line for contexts or projects

NextAction! Standard Edition is normally $49.99 but for today only (until 12AM CST) you can pick it up  at half-price for $24.99. This app will work on all BlackBerry devices running Os 4.2 and higher. A trial is available but if you decide you want to purchase NextAction! make sure you do so before the end of the day!

Check out the video above for a slideshow demonstration of the app.