I order my laptops directly from the manufacturer. When I bought my ThinkPad T40 way back when... I ordered it from IBM. When I bought my IdeaPad Y470, I ordered it directly from Lenovo.
I think it took 10 - 12 days to receive my Y470 once my credit card has been charged. The best thing about ordering directly from the manufacture is that you can configure the laptop the way you want it to be.
750GB is more than enough for games and college work unless you are going to have dozens of games installed at the same time and working with very large data files for college work.