MusicLab Real LPC upgraded

Folloing the upgrades to Real Guitar and Real Strat Music Lab have upgraded LPC with the song mode feature.

RealLPC 4 - the bestselling electric guitar virtual instrument is shipping now with a pack of powerful new features!
RealLPC 4 upgrade price for previous version owners is only $49.00 USD. Order version 4 upgrade now.

• Song Global mode, turning RealLPC 4 into a      powerful songwriting tool:
• Easy-to-use built-in Song Track for constructing guitar parts
• Chord Selector, allowing to quickly select and insert chords
• Import the whole chord sets directly from WEB page or Text document
• Powerful Style Filter letting you find suitable patterns by musical criteria
• Export Song Track as a Standard MIDI file to use with any third party instruments
• Double Tracking configuration and patch letting you easily simulate ‘double-tracked’ guitar part with the single MIDI input
• Advanced Humanize engine, allowing you to easily add more realism to the performance with a mouse click. Randomization options:
• Sound
• Timing
• Velocity
• Pitch
• Other improvements: FretNoise (trigger) FX, Transpose, Transpose(toggle)  FXs, Unison/Octave selection for Harmonics FX, Harmonics on black Add-on keys in Bass&Pick mode, Slow Strum time slider in Timing panel

I had considered upgrading my RealStrat but have not done so yet, I gravitate to the OTS instruments most of the time. The song mode seems to have some similarity to EZ Keys and could be a useful addition. I would be intrested in opinions from anyone who has upgraded any of the others.