I agree with the console hacking is dumb. Spending all of one minute to change a disc is so totally gonna ruin your day.
Now with that said, i think having games downloaded to a hand held is worth it. No haveing to lugg a bunch of small frage cartridges around or deciding which to bring.
As for the secondary market, i keep all my games. I just like knowing i have the
should i want to fire them up.