Aeropress Espresso Maker

I was just reading some of the posts in the Google Coffee Forum and saw mention of the Aeropress Espresso Maker. It seems it has a lot of fans as of the 33 reviews posted at Amazon.com at the moment, 29 gave it 5 stars, and 3 gave it 4 stars. I'd be interested in any comments from readers who have one or who have had coffee made in an Aeropress.
The product description at Amazon states:
Make 1 to 4 cups of coffee or espresso in less than a minute with this easy-to-use press-style coffeemaker. Quickly brew a variety of coffee drinks including an Americano or an espresso-style shot for use in lattes or cappuccinos. Its total-immersion system permits extraction at a moderate temperature and a short brew time. Water and grounds are mixed together for 10 seconds, then gentle air pressure pushes the mix through a micro-filter in just 20 seconds, which avoids the bitterness of long processes such as drip brewing. The air pressure also gently squeezes the last goodness from the grounds, further enriching the flavor. The total brewing time of only 30 seconds results in an exceptionally smooth brew. The micro filters ensure grit-free coffee--unlike other press-type coffeemakers--and 350 filters are included. Washing the unit by hand is recommended. Made in the USA, the coffeemaker measures 5 by 5 by 11 inches.