Enamel paints

They are much harder to clean than acrylics. Nothing beats water cleanup. If you are a beginner I suggest use acrylic paints. They are the future in this hobby. The advantages of easy cleanup and lack of fumes far out weigh any disadvantages. In fact if you are only going to be brush painting then I would say there is no disadvantage in acrylics.

The hobby enamels for models are easy to use. The only thing is that is requires solvents to clean and are more hazardous to your health. Depending on the state of California they might even disappear. If California decides to ban them then I'm sure all the manufacturers will only sell acrylics. If you don't believe this, then take a look at the hobby lacquer paints that used commonly available.

Are you going to brush paint or spray with an airbrush? Either way, enamels are no harder or easier to use than acrylics, just different. For brush painting most enamels don't require much thinning but you will need mineral spirits in case they do and to clean your brushes. For airbrushing you will likely have to thin the paint some and you will need thinner to clean your airbrush. Some enamels such as Model Master are formulated more for air brushing but can be brush painted. Some enamels such as Humbrol are formulated more for brush painting but they can be airbrushed. If you could be more specific with your question you could get more detailed advise.