Anyone Upgraded Aesthetix Atlas Mono Signature to Eclipse Version???

The retail difference between Aesthetix Atlas Signature and the Eclipse version is USD 9K. Anyone upgraded this already? Care to share what is the improvement? There are four phases of upgrade according to the website.
Looks like I'm pretty late with this, but yes I have made the upgrade to Eclipse. I have 45 hours on the amps so far. They require between 200-250 hour to break in according to Jim White. The difference between the Signature and Eclipse is amazing already. I never expected this. I can only imagine what they will sound like at 200 hours. If you respond to
this message I can answer your questions. Sorry about the very late message.
Thanks! I have decided to switch to higher sensitive speakers so this amp is overkill. I am placing it on sale on audiogon now. :)