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About a month ago I took delivery of the 8GB version of the new MotoActv device. First impressions were that it's very slick. It comes with almost everything you need to get started. For the money it could do with a HRM strap, but at £250 it's in the right ball-park of a GPS watch (Garmin 305) and an iPod Nano.
It feels like a good quality device. Build-quality is excellent, the touchscreen screen is bright & responsive, and the interface is pretty. The wriststrap is also pretty good, and the device is smaller than the 305, so it can be worn all day quite comfortably. If you do wear it all day it'll act as a pedometer, even when the screen's off or timed-out. If you've got a Motorola 'phone you can connect it to the device (BlueTooth) so you can take calls and read text messages while working out. That seems like a load of bollocks to me, though, because when you're working out you should be doing just that. If you're the sort who can't go for a run without having to respond to calls and SMS you're not a proper runner.
The MotoActv web site is quite similar to Micoach or Garmin Connect - lots of slick design and interface features to ease the process of recording stats, creating workouts, and so on. There's plenty of bugs in the MotoActv site, from missing data on some summary screens (such as the schedule) to complete loss of workouts, but Motorola is, allegedly, on the ball with those. Since owning the device I've seen some of the reported bugs get sorted out, though some have been done poorly. It's a complex beast, though, so maintenance & debugging might not be as straightforward as one would think.