Coffeegeek website has a host of independent reviews by private individuals.  This guide is a synopsis of a Consumer Review on the Astra Gourmet G series.

Says reviewer:  “Yes, would buy again”
This same reviewer Rated Astra Gourmet series a 10 on scale of 1-10 on: quality, cost v. value, aesthetics and overall

Furthermore, they said the following things- “Great one-group machine for your house.  Great brewing and steaming performance.  Larger boiler and heater than Cimbali, Jr. and less expensive.”

More compliments to the Astra from this same reviewer.
“Big Honkin boiler and heating element produces steam like a huge locomotive….. actively heated group …. maintains temperature stability.”