Cakewalk has released a free update to their Rapture wavetable synthesizer.
New Features and Enhancements in Version 1.1:

Native Windows Vista® Support
Universal Binary support for Audio Units, VSTi, and RTAS (Pro Tools 7.3 compatible)
Stand-alone mode
Engine optimization for faster load times and reduced memory usage
New DSP and Filter routings, (6 new DSP Transforms, 14 different serial and parallel [...]

Cakewalk introduced Rapture, described as “the ultimate wavetable synthesizer for igniting the sounds of today’s pop, dance, and electronic music.”
Rapture is the latest dual platform synthesizer to come from the Cakewalk Instruments engineering team. In Rapture, musicians will find powerful and flexible wavetable synthesis in an inspired creation tool that enables vast sonic possibilities and [...]