FireFox

I have noticed that Spikey's sig can drive me into 100% CPU usage on Opera at times. I've tested this out and I think it's your leetsig banner.

That's weird! Install AdBlock plus for FF/SF, right click the image, then select 'AdBlock image'

I use Opera mainly ;) I can block content with that and I now have. Don't know why it happens but it sometimes does and when it does...bam, 100% CPU, slow right down etc. Doesn't seem to be a pattern to it either.

Well there's your problem! Upgrade to FF :P

IMHO Opera is the better browser. Both I have little niggles...ie the plug ins for Opera aren't as good because they're basically non existent but the new firefox doesn't like using backspace as a back button and other little niggles.

Not one of them is perfect but Opera's built in chat function whoops FF's one. Firefox seems to be using the same theme as my Gnome so it's very dark...but I'm not changing my Gnome theme as a like it and the brightness of Opera is nice. (and it still appears to fit in nicely) Opera also use less of my resources. Less RAM is used and it responds quicker (now not quite as a big a difference since I installed Swiftfox) and one of the very core and underlying reason is, that in linux, I'm using the default installed drivers for nVidia, I've not got the propriety nVidia ones (because I found they comprimised the stability of linux...it kept going blank at random times) With the default drivers, FF likes to ghost. By that I mean I can change the cursor position and the cursor appears to remain where it is. A VERY annoying niggle and something that drove me to Opera. And once I started using Opera properly, I liked it a lot more...