Burning Speeds

[RedsunsFC]

I have an TEAC W12EB: It can burn CD-Rs with 12x speed. But I wonder, if it's recommend to burn dc games with 12x? Or is a lower speed better? If yes, which speed is the best for burning dc games and does it really make any difference if I burn the games with 12x, 8x or 4x? Or should I use alway the max. speed?
I've read through the forum about this, but alway heard different thinks, like: "1x is the best" or "it doesn't matter which speed".
So guys post your recommend burning speeds and why.