In principle I agree. In practice I know I've gained far more happiness from the integratedness of the amazon store, the size of their selection, and the free international internet (it's on one particular model, the kindle keyboard, which you can only buy in the US, but it still exists AFAIK) than I ever would have from running an SSH app or developing my own apps. The refresh rate makes these devices really very limited for general-purpose computing. My advice is to buy a good, open phone, and treat the e-reader as a single-purpose appliance.