What I think really annoys people is when some forum noob looks at somebodys great work they say "Can You Do This For Me?" I think that it is quite offensive with all this great work that has taken quite a while to complete when you just ask for some bad picture to be drawn from their free will, for nothing.
I'm not being picky or anything but I just think that its stupid being a random joe who can't use capital letters and ask for something to be done for free in this persons free time when quite possibly they might have more important things going on in their life.
Enough of my ramble. I think those vectors are extremely impressive especially for CorelDRAW, what version are you using. My parents bought version 9 from way back and I can definately see the effort and dedication that has gone into those vehicles.
How many objects on average per car is there?