I recently upgraded to the 880 model. I miss the 670 model which is very sturdy and I have occasionally gone back to use it.The buttons are easier to use and glow in the dark unlike the 880 model which seems very delicate and only the screen glows in the dark.I have dropped the 670 several times and find it very sturdy. My main complaint with the 670 model is that it does not have a re-chargeable base while the 880 model has. I find the 880 model response time faster than the 670 model, maybe the 670 is slower because of use. Both models have a wide field of IR range. I do not have to aim both remotes directly to my appliances, to get them to work. Which is great! My Samsung TV remote has to be pointed directly to the TV's IR eye for the TV to pick up the remote signal.The buttons of the 670 model has the number embossed unlike the 880 model.The numbers on the 880 models are cheap ink prints that will fade off with time. I wish the 670 model has a re-chargeable base.If you do not mind buying new batteries every 12 to 16 weeks, I will strongly recommend the 670 model over the 880 model.But if changing batteries will be irritating to you as it was for me then go for the 880 or any other model with a re-chargeable base.I went for the 880 model because of the favorable reviews on it and cost.To be fair to the 670 model it does warn you when the batteries are weak but for me that happens rather too frequently.Otherwise, I would have given the 670 model five stars.

Product Overview

Designed specifically for Digital Video Recorder (DVR) users, the Harmony 670 features convenient controls that make it easy to command TiVO and other popular DVRs. Essential buttons including "Record", "Play", "Pause", "Advance", "Rewind", "Skip Forward", "Skip Back", and a directional pad are centrally located, and convenient "Sound" and "Picture" buttons help you tame tough configurations such as switching aspect ratios or sound modes. Harmony's activity-based control makes it easy to manage your entire home entertainment system; just press a conveniently color-coded activity button ("Watch Movie"), and the remote will power on your TV, DVD, stereo receiver, set all the inputs and even press "Play"! There's also a handy "Help" button so that anyone from the kids to the babysitter can access programming.

Product Feature

• Easy to set up - Just connect your Harmony remote to your computer and the Web wizard walks you step-by-step through a simple set up.
• Easy to use - The Harmony Remote is the only remote with Smart State Technology. Simply press an Activity button, such as Watch TV or Listen to Music
• Easy to get help - With the Harmony remote, you don't have to know anything about your entertainment system to operate it.
• 4. Never out of date - The Harmony device database includes 5,000+ manufacturers and 175,000+ devices, from HDTVs to DVRs, VCRs to lighting controls.
• Backlit keys - Easy to see; easy to use. No more fumbling for the correct button to play, pause, mute or change aspect ratios

Available at Amazon Read more..!

*** Product Information and Prices Stored: May 20, 2010 00:50:14