We can get DISH or DirectTV internet, but they limit you to 10GB a month and my wife surpasses that alone with her work. The cost is more expensive than our DSL for that 10gb.
As for the 1.5mbps, if that is really dedicated to you and only you then it "can" be faster than your current DSL. The question remains if it warrants the price difference for the marginal difference it might bring.