the only work i do in photoshop is to fix problems caused by the state of the floor, stands/tripod reflecting in body panels/bumpers, and the limited dynamic range of the camera (boring stuff about tone rendition). the cars look like that in the pics because... that's how they look! a combination of well prepped cars and admittedly flattering lighting - a harsher light would show up more flaws and look more like reality - plus the pic's on t'internet are tiny and use less colours. the reason it took so long is that i'm still learning... last week we came up with some techy camera stuff that'll save lots of editting time
oh and we're going to get a set of go-jaks, that will make setting up a lot quicker/easier - thanks to christian i think it was who mentioned those.