I would say stick to well recognized generics such as silvertown buffalo rounds. This way, you get some (small) benefit of the recognizability that people like about American Silver Eagles without the high premium of ASEs right now (around 4.00/oz). 10oz bars seem good too. I would stay away from 100oz bars so you can sell in small amounts when needed. JM bullion has some decent prices around 1.80 above spot price and they are a solid company in my experience.