VirSyn has released an updated version of its Poseidon virtual synth.
New in POSEIDON 1.3
Features:

“Waterfall” spectrum display for better visualization of the sound model
Tracking parameter for residual noise component allows for more realistic/artistic usage of filtered noise in sounds
80 new presets / 29 new sound models

Bugfixes:

Mac: MIDI program change messages now working with closed [...]

 

 Take 5 [3:17m]: Play Now | Play in Popup | Download

VirSyn has released Poseidon 1.2. New “inverse” filters for formant preservation, bitmap import for the sonification of images, and more are included in this release.
Features:

“Inverse filter” model for separation of sound source and body enables preservation of formants
Bitmap import function to convert images into sound
New harmonic/wavetable analyzer modes ensure strict harmonic partials
Unison modes for suboctave [...]

VirSyn has announced the release of Poseidon 1.1.
Features:

Key trigger modes for envelopes: normal, reset and single
64 new presets (only available in the sales version)

Bugfixes:

Intel based Macs: Problem with Multiprocessor fixed
Ableton Live: crashes on MIDI program change
Effect settings didn’t reload correctly with some hosts
Menu texts showed up very slowly sometimes
Mac stand alone version: Interface disappeared if [...]

VirSyn has introduced Poseidon, a new virtual synthesizer. At first sight, Poseidon looks like a simple structured analog “Oscillator-Filter” synthesizer with all controls visible at once. This lets Poseidon offer ease of use, with nearly no learning curve.
The real power is working under the hood: The oscillator is nothing less than the spectral modelling sound [...]

 

 VirSyn Poseidon Demo [1:24m]: Play Now | Play in Popup | Download