At least now two alternative engines are starting to get recognition around the world, and newer one of those two seems to strive more for standards compliance (they wouldn't make this post otherwise). There was a time when a lot of sites appeared to be made primarilly with "IE + FF" in mind...which didn't really change that much in the grand scheme of things.
Thanks. Quite interesting, though it only seems to test JavaScript compliance, as far as I understand it.
But now perhaps sites will, to a greater degree, simply target standards... (just look at the link above to see why that's great news for you)
No news to me, but thanks again.
BTW, regarding safety of Opera - considering that it's big in post Soviet Block areas (typically #2 browser; in places #1, ahead of IE already)...maybe they just don't want to eat their turd? ;)
I frankly can't figure out an answer to that.