I'm not really a power computer user, more like a Luddite with laptop so I'm not really demanding of applications. I have expunged IE for Firefox but I thought I'd try Opera based on this thread because my Firefox seems to be getting a bit sluggish of late. It seems to load and scroll a bit quicker on my Sony Vaio than FF, and the interface and the default options seem to work better for me; plus I don't seem to get as many pop-ups so for now it's checked satis.