all I do is have a couple of adjustable lights that have clamps on them and have endless possibilities to where I can put them just about anywhere. they are also pretty cheap too.
http://www.amazon.com/Woods-5-5-Inch-Reflector-60-Watt-6-Foot/dp/B000HJDATW/ref=sr_1_5?s=hi&ie=UTF8&qid=1453006055&sr=1-5&keywords=clamp+light
I sit with an adjustable stool and the table of my saw is usually about chest to almost shoulder height and have the back of my saw tilted 2 inches higher than the front