Opera 11 Mobile seems to crash on the big sites I tried (it's also a hefty 20-23 Mb installed - that's almost 10% of the total space available for apps).

Here's the link for Opera Mini 6 instead, which is quite snappy on the eDGe and looks similar:

http://www.opera.com/download/get.pl...0&nothanks=yes

Here's a page that lists the differences between Mobile 11 and Mini 6:

http://www.opera.com/mobile/specs/