i wanted to install my desktop in my car with a touchsceen monitor should i get a power convetrer and plug it in if so what kind will i need i wanted to hook up a dell with the small tower version or a hp slimline wich both probably use 200- 350watts is that all i have to look at i dont whant to go with a laptop and i dont know what the difference os between a carputer i whant to be able to use word hook up intenet print save music save movies on it play games so if i can do that on the carputer please let me know what the differnece is i dont what a laptop because its to expesive i dont need the monitor and i whant to hide it plus the memory