Best Buy offers the Jawbone UP Small Wristband in Onyx for $68.99 with free shipping. (Amazon charges the same.) That's $11 below our May mention and the lowest total price we've seen for any Jawbone UP wristband. (It's a current low of $11.) It features a smart alarm, food journal, and vibrating alert. The UP is compatible with most Bluetooth-enabled handsets.
Note that it comes in size small only.