you must DYOR all pools have some of the features you must have and the advantages are not limited to low fees but you decide between a PPLNS pool pays when they find a block or a PPS pool that pays at a constant rate )what hash rate is) or solo (viabtc.com.)
You can also search for some features such as the mining algorithm, choosing the appropriate mining device, the ability to modify other currencies or change to any alternative currency system.
There is a lot of information and it is impossible to collect it in one place, but with a small search you can get most of them.