In the preferences settings I have it set to delete the cache on exit. It just seems like this doesn't happen as I don't hear any "washing" going on that you normally hear like you would using Window Washer. I'm sort of skeptical about where Opera stores surfing activity and is this have something to do with how fast it runs. I was thinking maybe they use our personal surfing info on a main server somewhere to aid in its speeds. OR-- mAyBe I'm just paranoid today and having flashbacks from the 60's. Anywho, I really like 7.23, its very nice as fast as lightning. "purple haze running through my brain"