One word: BETA! Use the newest beta version and you'll get it full speed (depending on specs, for me I can) on Xenosaga Ep. 1. Beta isn't supported here though, so other than saying "it worked" or "it didn't" you can't really say much about them.
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///Intel Q6600 @ 3.4GHz OC'd (and still going up! 
Xigmatek HDT-S1283)~Nvidia GeForce 8600 GTS 256 MB~Corsair 2x1GB 1066 DDR2RAM~Windows Vista Home Premium 32-Bit\\\
\\\Kingdom Hearts~Tales of the Abyss~Persona 3+FES~Final Fantasy X all full speed! Any questions? Feel free to PM me!///