I bought one of these when I worked at Best Buy through the accommodation program. It's a very good speaker. Little bulky, but sounds quite good. Significantly more low end then alot of competition speakers. I do, however, prefer my JBL Extreme, due to battery life, water resistance, carry strap and ability to charge other devices off of it.
Keep in mind, it is not rechargeable, you need batteries to run it. Also, right now you can get this in blue Prime'd to your door for $199.99