Long term, I think G W Bush increases. At worst, it is a Ford analogy on the economy.
GW Bush makes Gerald Ford look like a fine President by contrast. What Gerald Ford wasn't was a competent campaigner on any level beyond a Congressional district, and that is the difference between Gerald Ford losing to a weak challenger and Dubya winning against a weak challenger.
The Ford economy had inflation that had started before he took office. But Ford didn't ride a corrupt speculative boom that went bust as did Dubya. Ford did not start any wars for his own glorification or for the enrichment of his cronies.
Gerald Ford was a man of principle. Dubya wasn't.
Ford was a competent president only compared to predecessor, in terms of honesty, and his successor, in terms competence.