You may be right. I think the challenges involved (especially as OOBC is proposing to solve them) defeat the goal. For systems that have no present or future interest in JIT, it might offer somewhat higher peak performance than whatever commodity computers are on the market; for those with JIT (especially with frequent compilation, like in a web browser) I can see it being prohibitive. I don't care how magical their specializer is, it will cost something to run, and cost a lot to integrate (imagine not being able to know the size or entry point of the basic block until you've specialized it, infuriating!). The way they talk about the specializer, it even gives the impression that they don't intend to share the source code, which will be a whole lot of fun when deciding whether or not you trust it to run in the middle of your application.