In my case, of course, neither of them make any difference, since I use only the memory cache. I disabled disk caching roughly a year ago and haven't re-enabled it since then. It speeds up browsing on some systems, and slows it down on others.
Depending on what? What do you have?
Well, I'm on a broadband connection. Even so, the speed is not as high as my ISP claims. I'm using a little n