People are reporting that their recently ordered Mac Minis have been quietly upgraded prior to shipping. As a revision on the old specs, the new Minis feature:
Not a huge revision, but a revision nonetheless. There has been much speculation that this update was coming, but many expected it to be an upgrade to Core 2 Duo. This also isn’t the first time the Mac Mini was updated stealthily. I wonder why they insist on revising this product so quietly.
Apple Did It Again: Silent Upgrade of Mac mini Models [HardMac.com]