I prefer consumption tax over income tax, but I am not so sure about the "FairTax". I don't really like the whole prebate thing. Really I don't like any kind of national tax. I would rather the states tax and then the federal government get money from the states based on population, or more ideally but less likely based on how their representatives vote.
And if you want to make it more progressive just charge a higher rate on luxury items like say televisions, computers, cellphones, etc. And do like some states do where food isn't taxed.
It is 2015. Televisions, computers and cell phones are not luxuries. You're veering into Heritage Foundation territory and insinuating that the lazy poors should be grateful for having such frivolities as refrigerators in their kitchens and glass panes in their windows.