Well, it's been a long time since I played too, but every Blockbuster I know sells the game, and your local pawn shop is likely to have a copy there too(I got my copy there for $5.) For the computer, it is porbably something to do with your graphics card. I had to downgrade mine to play on the comp (That's why I bought the PS1 one.) The Sephiroth you fight is the real one. Cloud is a clone of him. Cloud does get accepted into SOLDIER, but he get's wounded and Zack, Aeris's former love, save him. Cloud get's some of his memories somehow and that's why he goes into limbo tring to figure out who he really is. He does all the harnessing of Jenova and such and becomes all powerful (Until you kill him) SHINRA is all powerful and such, but they do have thier flaws. Most of their members are corrupt and some are doublwe agents. (Cait Sith's controller.) Anyway, that's about all I know on what you're asking about. If you need any more help, just post.