NWN runs natively in Linux. RO runs faster in Cedega in Linux than it does in Windows; don't ask me why. (WINE = Wine Is Not an Emulator, by the way. I don't use an emulator.) BG for example runs perfectly in Cedega except that networking doesn't work. If you really care about games you'll need Windows though, not all games work well in Linux. But dual-booting is annoying, to me.