Serious Intel Core 2 Vulnerabilities

Lead OpenBSD developer Theo de Raadt has mentioned some problems with Intel’s Core 2 processors that “will *ASSUREDLY* be exploitable from userland code.” Here’s an easy to view (i.e., non-PDF) image of the errata list.
Theo adds:
At this time, I cannot recommend purchase of any machines based on the Intel Core 2 until these issues [...]