well, hyperthreading doesn't necessarily suck. it is good for multitasking, which Athlon's currently are not so good at. although Opterons are really good for multitasking.
Intel actually do have true 64-bit processors, they are the later Xeons
Meh, not really. It's been a lot easier to sit back and just relax as of lately. They just need to start cracking down on the spam and threads like these that need to be closed.
