That depends on how many of the reviews are from real customers.

There's also ~215,000 fans on Facebook:

http://www.facebook.com/KIN#!/KIN?v=wall

One could probably count up the number of comments which mention owning a Kin, to confirm whether 503's lowballing it or not.

Wow. It looks like MS has a staffer managing the Kin facebook group by actually responding to posts. Looks like they're putting their social media budget to good use. From the page: As you probably heard, we have made the decision to focus our efforts on the upcoming Windows Phone 7 launch, and will not ship KIN in Europe this fall as planned. We will continue to work with Verizon Wireless in the U.S. to sell KIN phones and support customers. (7 hours ago). Back to beating the dead windows mobile horse.