I often see this claim made on the Net, and it is always quickly followed by someone saying that it's a load of rubbish, and that there is nothing stopping Adobe from doing harware acceleration in Safari plugins for the Mac.<p>So, this being Hacker News, is there someone out there with some experience writing Safari plugins that can give us a definitive answer to this question (preferably with a brief description of the APIs involved).<p>I don't think I can stand reading yet another thread on this topic which is filled with what appear to be poorly-researched assertions...