Seems to me he's still a bit wet around the ears to be giving " professional " advice as he's only made a few shorts an nothing related to a studio or a network.
Bruce Manner's " Film Production Technique" is one the best all-around books that details the nuts and bolts of filmmaking using actual film. As for learning how to shoot on film, start with a 35mm SLR first before shooting with a motion picture camera. I think even using a Polaroid camera is better as you can see your results instantaneously.
Start small, a DLSR will teach you both taking still photos and shooting video but even as something as a cellphone will help too. For editing IMove is good to learn on but Final Cut Pro or Premiere is better, although the learning curve is more steep.
I wouldn't be worried about trying to get the shots to look good just yet until you know what your doing.
Of course a desktop has advantages, but if you need mobility with your gear, then a laptop is necessary. There's also ways of preserving your laptop like using a USB keyboard/mouse or even opening it up and (carefully) cleaning the fan of dust.
The Acer Aspire V15 is slightly above $1k and very much capable of doing video editing.http://www.newegg.com/Product/Product.aspx?Item=N82E16834314704
Is there anyone more famous for practical lighting then Kubrick? He lit whole scenes with nothing but candles and if you look at any BTS of his films he incorporated much of the lighting into the sets. His days as a stills photographer were the foundation to how lit his films