My absolute fave make-up is Bare Minerals (www.bareminerals.com). It is all natural, hypo-allergenic - and doesn’t feel as heavy as liquid does to me (after years of wearing liquid). It is all powder based. I would advise getting a starter kit (includes makeup, brushes, instructions). Their website is pretty good at helping pick which group of foundations to try. I use their makeup for everything now, foundation, blush, eyeshadows, eyeliners, even mascara. It comes with a video which instructs you on the best way to apply it.
An added bonus, I buy a lot of my eyeshadow colors and eyeliners on ebay. You can get a sample jar for $2.50, so it’s cheap to try lots of colors.
This make-up lasts a long time too, it takes me at least 4 months to go through a foundation jar.