The TomTom XL 350 and XXL 550 series of GPS devices represent a marked improvement over the previous generation, keeping its great form factor while streamlining its software.
The eMachines ET1810-03 isn't the fastest or the most attractive computer, but we can't argue with the low price, attractive design, and a complete (if not slightly barren) set of components. If you can deal with the midtower size, it will make for an excellent general purpose PC for the home.
Gateway's DX4300-03 is a game attempt at a digital media hub-style PC, but the value proposition just isn't here. Slow performance in particular drags this desktop down, and unless you particularly value a TV tuner, you'll find faster, more capable computers not much farther down the retail shelf.
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At first glance, the eMachines ET1161-07 seems like a decent setup, but a laundry list of subpar components running on 32-bit Windows Vista just can't keep up with other similarly priced systems that give you much faster performance and higher-quality components for just $100 more.