A new beta of Space Doubler for Series 60 is now available with many new features; Optimised packing and unpacking for multitasking or speed; intelligent auto recovery and cosmetic changes.

What's new:
- Space Doubler is highly optimized for SPEED or TRUE multitasking
- MUCH FASTER packing/unpacking (up to 30% if optimized for speed and 5% if optimized for multitasking)
- BETTER compression
- INTELLIGENT automatic recovery added (if errors like out of disk space occures)
- ability to compress GROUP of files (group may contain any files/folders)
- group may be in depended of application (any set of files/folders which can be packed/unpacked by single keypress)
- group may depend on any standard application and automatically packed/unpacked when this application starts/exits
- group may depend on any user installed application and automatically packs/unpacks together with application
- applications may be starting/closing/switching directly from Space Doubler
- application info added
- many cosmetic changes
- ... and all above features occupies only 19kB more disk space! (0,5% of total disk space)

http://www.psiloc.com/nokia/eng/sdoublerS60/index.html