From 9to5Toys.com:

For the rest of September, MacUpdate has a solid $49.99 9 app bundle on its hands. All of the bundled titles represent the newest releases and will be compatible with the upcoming OS X 10.9 Mavericks release.  ($50 too much? ‘Name your own price’ for this bundle). The $49.99 bundle includes:

  1. ScreenFlow 4 – $99.99 – The best way to record screencasts on a Mac.
  2. TechTool Pro 7 – $99.99 – The latest version of the powerful system utility.
  3. Civilization V: Gold Edition – $49.99 – Best-selling strategy game, packed with extra content
  4. PDFpen 6 – $59.95 – The all-purpose, easy-to-use PDF editor.
  5. Snapheal Pro – $39.99 – The easiest way to remove objects and enhance your photos.
  6. DeltaWalker – $39.95 – Compare and merge files and folders.
  7. Vitamin-R 2 – $29.99 – Boost your productivity by enhancing your on-task focus.
  8. Choco 2 – $29.99 – Design gorgeous photo collages with ease.
  9. Aurora 5 – $14.95 – The most versatile alarm clock for your Mac.

In addition, bundle buyers can save more with these optional upgrades:

  1. Civilization V: Brave New World – $19.99, save 33% – The just-released expansion pack.
  2. PDFpenPro 6 – $19.99, save 50% – Add powerful new features to PDFpen.
  3. DeltaWalker Oro Edition – $9.99, save 70% – Compare 3 files or folders at a time instead of just 2.

Pricing and Availability: MacUpdate’s Spring 2013 Bundle is available now for $49.99 (USD) exclusively at http://deals.macupdate.com through October 2, 2013.