No, many just play a DVD.
Yes there are Blu-Ray recorders and even burners
They carry portable DVD players, DVD recorders, DVD/VCR combination, single disc players, multi disc players, and XDE video players. To see more selections go to their site.
Maybe. Some DVD recorders/players understand and can play xvid/avi files, others don't recognize them at all.
DVD players have not increased or decreased in demand, since not a lot of portions of the population can afford blue ray players. More or less, DVD player prices have remained the same.
It does seem that Toshiba is pretty well known for their high quality DVD players. I saw them reviewed on many different websites. There are many different varieties, all with different features.
There are several DVD recorders that come with DVR capability
Yes Amazon.com does sell Sony dvd recorders . Amazon.com has a wide variety of dvd recorders , mostly from sony .
Sony is a top brand and is known for being a quality product. There are a lot of rip off knock-off brand DVD players, but if I were to go out and buy one without price being a factor I would probably choose a Sony.
One can find hard drive DVD recorders from Shop 411 and Walmart. One can also find hard drive DVD recorders from Amazon, Target, Bizrate, and Best Buy.
Examples of companies manufacturing cheap DVD recorders are Toshiba, Sony, Panasonic and Philips. They have many low budget models. Used DVD recorders found on auction sites can be even cheaper.
Generally speaking, computer DVD recorders can play DVD disks. You must however have the correct drives, codes, and software to play DVDs. Often times computers/dvd recorders come bundled with software to do this but if you don't have any check your DVD recorder manufacturer's website for more information and recommendations.
When looking for cheap dvd recorders I compared a variety of sites and found that http://electronics.pricegrabber.com/dvd-players-recorders/p/1773/ had several for under $ 25.00. Just right click on the under $45.00 button on the right and it brings up many different styles for under $ 45.00. It will depend on the style and features you are wanting but here is the best deal: http://www.provantage.com/haier-america-dvd50~7HAER04T.htm