pethu has released Hahaha CS33 v1.0, an easy-to-program synth in the spirit of the Hahaha CS01, but with many more options:

• 2 oscillators.
• 2 envelope generators.
• 5 filter modes, including twin linked filters.
• LFO with 5 waveforms and tempo sync.
• 4 effects including distortion and tempo-synced delay.
• Expression controllers (BC / AT / Foot Pedal) supported.

Hahaha CS33 is available for Windows as a VSTi and it is free. A special "Hahaha CS33 Evolution Edition" will be released shortly, featuring a skin and overlay template for use with the Evolution UC33 hardware controller.