I've seen not-so-good reviews for Windows PCs with the >1 GHz M chips in them (predating the MacBook announcement), so I don't have high hopes for an 800 MHz ma

I've seen not-so-good reviews for Windows PCs with the >1 GHz M chips in them (predating the MacBook announcement), so I don't have high hopes for an 800 MHz machine. I'm really wondering how much perceived performance Apple will squeeze out of their MacBook.