Blimey.. had it for donkeys years roy
Only use it now for testing as you can easy turn everyhting off and see a site how others would without gfx, scripts, flash etc.,., I know others can as well but its so simple wiht opera.
As for the rest of it.. as a developer its better to see the web as the majority of people see it. that means using IE and for all the microsoft hate thats about.. ya cant really knowck the browser.. its free and works a treat
Opera is the fastest browser I ahve tried.... well apart from linx that is