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I've had one of these for just over a year now and lets just say it has been... problematic. First the good points (yes there are some!)
It will record on DVD-R/RW and DVD+R/RW discs and play DivX, VCD's and MP3/WMA files and also view JPEG images, in fact pretty much anything you can throw at it. Also has component output so if you have a HD television you can take advantage of it's progressive scan output, and standard digital and analogue audio output jacks.
Now for the negative points. There is no digital tuner, so once the analogue tv signal is switched off the internal tuner will be redundant. Also it will not 'pass-through' an RGB Scart signal from one Scart socket to the other - for example if I connect my Sky Digibox to the recorder's AV-in Scart socket it will not output the Digibox's RGB signal from the recorder's AV-out resulting in inferior picture quality.
The biggest problem though is what I believe to be poor design. The recorder has no ventilation on the top of the unit (only at the sides and underneath) and as a result suffers from what I believe to be overheating problems which result in the machine behaving strangely.
In short, you can almost certainly pick up a similar spec machine from a different manufacturer for the same price, my advice would be to avoid the DR275 if you can.