Me thinks we have a contrarian in our midst.
And we haven't even heard from Your Nightmare or lewislynn yet.
Regarding the consumer price issue. I don't think the disappearance of embedded taxes will result in the level of price depreciation that some of the Fair Taxers do. I think the number can be show to be 10-15% lower. A large part of embedded prices is labor and I believe (some will disagree) that any further lessening of prices would have to come from decreased wages.
However, by freeing up corporations from income taxes and payroll taxes and by taxing the underground economy as well as foreign tourists and goods American companies would be unleashed to pursue explosive growth. America would become the world's largest tax haven and internationals would beat a path to our door to build production facilities here. Jobs? We'll have them.
The sheer boom factor would create so much prospertity and competition that these arguments would seem moot.