While it has seemed that we'd avoid a font war on the web, it's clear that one is coming. TrueDoc player to ensure compatibility. It would be good to see IE support both forms of embedding, just so that developers could design a single site that would support both browsers, now, without having to wait for OpenType. But with the competitive and proprietary path that browsers are taking it just looks like we're in for a fight. While it's good to see type as the competitive issue that it really should be, it would be better for everyone if there wasn't a battle of technologies to wade through.
Competition is good.
But so is compatibility. It's important that the HTML codes required for these two systems are compatible, not mutually exclusive. This means you can design your sites to use both TrueDoc and OpenType.