Here's the text of the message...says it includes AmpLion also...
Audiffex ampLion & GK Amp 2:
Precise and high-performance guitar/ bass simulators.
Fully 64bit (Win and Mac OS) compatible in February!!

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Audiffex ampLion/
GK Amp 2, well-established products in the field of guitar processing, are going to be updated to full 64bit compliance for Windows as well as Mac OS. Saving the best from the previous versions, new stand-alone releases will be expanded by further functions, including
playback,
recorder, and
metronome.
Main features:
- Independent combination of power amplifiers and speakers
- Parallel connection of two independent speakers
- 3D positioning of a pick-up microphone
- MIDI control support
- Playback/ Recorder/ Metronome functions
- Fully compatible with Virtual Studio Technology (VST 2.4), Real-Time AudioSuite (RTAS) and Audio Unit plug-in formats as well as with the following host applications (Cubase/ Ableton Live/ Logic Studio/ ProTools/ GarageBand/ Studio One/ Reaper)
Watch for the updates, available by the end of February at
www.audiffex.com