"Since Hyperthreading occurs in the CPU - the system wouldn't need to be tweaked, right?
"This would give Hyper-Threading PCs an advantage over today's dual-processor machines, which require that applications be specifically written to take advantage of multi-threading. ""
You left out the line right before this one that gives you your answer:
"Intel says Hyper-Threading will require optimization of applications and operating systems to take full advantage of the technology. Jackson, in theory, will work with even single-threaded applications."