Content writer needed for Consumer electronics

I need 5 articles per week for 3 months. If things go good we will need on going articles. Articles are for a consumer electronics website. Must be able to come up with subjects and research them yourself. Must have good english grammer and writing skills. Articles must be original content that we can post on our site and also use in social book marking marketing. An example of a title might be "What to look for when purchasing a HDtv" or "Never get lost again - GPS." Article length should be between 500 - 1000 words. When submitting bids please submit an example of your writing. Preferable a technical article.