Cannot Write my video to a DVD

I gave up using my PC to do this for a number of reasons - one was the low resolution of the DVD image. Decided to buy a Sony 359 DVD recorder which does the job like magic. But I am very wary of the reliability of Sony products, Their electronics is advanced but their products would never pass NASA's Quality Control tests for use in a satellite. The viewfinder housing on myy Sony H2 dig camera cracked after I dropped it six inches while it was in a padded bag. Later, it now has another fault - I have to tap the body to stop interference on the shutter image. Playback is OK. Manufacturers of delicate electronic products should publish quality testing results. If a camera can't survive a six inches drop, it is in the UK, legally "Unsatisfactory" as it fails Consumer Standards requirements.