2) So Instruments works [for the USB]
3) You need to use something like MPlayer CE
4) You can use a USB HDD or burn the games, either way will work [as long as you don't have the D3-2 chipset which won't allow you to play burnt games]
5)The tutorials Section has a lot of reading.
6) Best places to go [use Google] are Bitsoup, Demonoid, Isohunt, The Pirate Bay, Ntorrents
7)You can use a free program called ImgBurn [again google], you should use good media [ritek verbatim] burn at slowest speed possible and preferably use -Rs