In general what price would I pay for everything installed at a shop..on average? I wanna put LCD's in my headrests I debating 7inch or 8inch? Or should I try ebay and get all the parts my self? http://search.stores.ebay.com/search/search.dll?query=8+lcd&fcl=3&fci=-1&fsn=Buyhkkit&fcd=2&sofp=0&from=R10&sasel=215233396&fsop=1&fsoo=1